math
f(x)=4-x^2 simplify completly. Use difference quotient.
Statistics
A manufacturer of sports equipment claims that the new fishing line has a mean breaking strength of at least 8 kilograms. Test this claim if a sample of 28 lines found that the mean breaking strength is 7.8 Kg with sample standard deviation 0.5 Kg. The distribution is approxim...
math
I have fraction 39/13 I have to write three fractions that are equal to I calculated 1 1/3 3/1 3 would this be correct?
solving systems of equations with 3 variables
What is the solution to the system? x-2y=1 x-3y+z=0 2x-2z=18
Algebra II
What is the solution to the system? 2x+y=9 x-2z=-3 2y+3z=15
Math
Solving systems of equations with three variables? What is the solution to the system? 1] x+y+z=-3 2] 3y-z=4 3] 2x-y-2z=-5
psy, PHI 103
Disagree on wheather a believable solution is required for the enjoyment of a mystery novel.
5th grade
write a real word problem where you would multipy 120 and 75
math
s/a=4.5,D/A=4.5, N/E =.80 & A=D+Emsolve for N/S
english
how do I write a persuasive thesis statement to this.... gun control. I just need a persuasive thesis statement and I do not know how to write one. help please?
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