If you add Natalie's age and Fred's age, the result is 39. If you add Fred's age to 4 times Natalie's age, the result is 84. Write and solve a system of equations to find how old Fred and Natalie are. Fred is ___ years old. Natalie is ___ years old.

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

The graph below shows the line of best fit for data collected on the number of cell phones and cell phone cases sold at a local electronics store on twelve different days. number of cell phone cases sold 50 * 0 5 10 15 20 25 30 35 40 45 number of cell phones sold which of the following is the equation for the line of best fit? a. y = 0.8x b. y = 0.2x c. y=0.5x d. y = 0.25x

What is the following sum in simplest form? square root 8 + 3 square root 2 + square root 32