2. Solve the following proportion. r/5=9/21 A. r=9 B. r=2.14 C. r=11.66 D. r=37.8

3. A recipe calls for 4 cups of sugar to make 4 dozen cookies. Use the proportion to calculate how much sugar is needed to make 8 dozen cookies.

Jerermy jogged 75 yards from his house to school. How many feet did Jeremy jog? What do you notice about the relationship between the number of yards and the number of feet Jeremy jogged?

1/4 (8-8x+12) = 7 What does x equal

What is the order of the mass of electrons from least to greatest 12.4x10^-3, 14x10^2, 0.0013X10^3, and 157x10^4

A cookie factory uses 1/5 of a bag of flour in each batch of cookies. The factory used 3/5 of a bag of flour yesterday. How many batches of cookies did the factory make?

The one in the hundred thousands place blake the vaule of the middle one

Find a negative angle that is co-terminal with the angle 158.3

The formula s = square root of SA/6 gives the length of the side, s, of a cube with a surface area, SA. How much longer is the side of a cube with a surface area of 480 square meters than a cube with the surface area of 270 square meters?

A salesperson at a furniture store earns a 3% commission on all sales. How much commission does the salesperson earn on a $1400 sale?

Which example correctly identifies a planet that is a gas giant and a planet that is terrestrial? A. Saturn is a gas giant; Neptune is terrestrial. B. Jupiter is a gas giant; Venus is terrestrial. C. Mars is a gas giant; Earth is terrestrial. D.

Bill arranges 50 small cubes in a 5 by 10 array along a bookshelf. He claims that the volume of books that the shelf can hold is equal to 50 cubic units. Is his claim correct?