# Elissa

Newest questions posted by Elissa-
## Math

What common word would we have after following these steps? - write down a zero -put 50 on its left and 5 on its right -add 1/5 of eight at the end -
## Chemistry

What mass of glucose (C6H12O6) must dissolve in 400.0 g of ethanol to make a 1.60 m solution? -
## Math

Pamela is 12 years older than her brother. Last year, she was thrice as old as her brother. How old is Pamela now? -
## Computers

Which of the following experiences is considered a simulation? A. reading a chapter about dissecting a frog with bright pictures and graphs B. listening to a narrator about dissecting a frog in vivid detail C. using a computer program to dissect a frog*** -
## Linear algebra

Consider for every real number a the linear system of equations: { x +( a + 1 )y + a^2 z = a^3 { ( 1 - a )x +( 1 - 2a )y = a^3 { x +( a + 1 )y + az = a^2 b)Find the values of a for which the system has no solution, infinitely many solutions, and a unique -
## English

I'm supposed to write about a hero using gods and goddesses for this "Your Hero's Journey Outline" but I can't typically think of what to write about. Any ideas? -
## Algebraic Expressions

The temp. was 72 degrees F at noon. At midnight, the temp. dropped to 12 degrees F. Write an algebraic expression to find the sum. -
## chemistry

calculate the mass of naso4 needed to prepare of 0.5L of 0.15M of solution -
## social studies

What action taken by Mexican officials changed the trade law? -
## sosial studies

what's an oasis? -
## question for all

where are these "200 experts" standing by, ready to help us? I haven't gotten any help on my question, and I need it!!! -
## math

y=5x-7 and -3x-2y=-12 I have to find the linear system using substitution I have gotten it to -3x-2(5x-7)=-12 Now I am stuck at solving for x PLEASE HELP any way you can Thanks Oh, and please show me how you did it as well :) -
## math

-3x-2(5x-7)=-12 I need to solve for x, please help!! and show me how you did it if possible! -
## 7th grade-math

I need to find the linear system for the equations 4x+3=y and x=y-2 Any help at all would be great! And please show me how you did it if possible, thanks! -
## algebra

I need help, i have to solve the linear solution using substitution, the equations are 4x+3=y and x=y-2 Also, please show me how you did it if possible. Thanks!