7th g-math
An ice-cream shop offers a small size cone and a large size cone. The height of the large cone is 2 times the height of the small cone. The radius of the large cone is 2 times the radius of the small cone. Which statement is true about the volumes of the two cones? A. The volu...
algebra
A photo studio offers portraits in 8x10 and wallet-sized formats. One customer bought two 8x10 portraits and four wallet-sized portraits and paid $52. Another customer bought three 8x10 portraits and two wallet sized portraits and paid $50. What is the cost of a wallet-sized p...
Algebra
When is the substitution method a better method than graphing for solving a system of linear equations?
physics
An 80kg astronaut has a weight of 120N. How many radii above the earth is he?
Science
What's a benefit and risk of nuclear energy?
Chem 2
What are some precipitates that affect our bodies
Math
thank you
Math
Write the equation in standard form using integers. Can someone please check my work? Ax+By= C Equation: y- 4 = -2(x - 3) y-4 = -2x + 6 +2x +2x 2x+y-4=6 +4 +4 2x+ y=10
Chem 2
What is the molal concentration of a solution made by dissolving 34.2g of sucrose (C12H22O11) (molar mass 342.34)
Chem 2
What mass of water must be used to make a 1.35m solution that contains 8.20 moles NaOH?
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