Simplify (7m – 8)
a.
49m2 +64
b. 49m2 – 64
d. 491172 30m + 64
c. 497 - 112m + 64

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

What are the excluded values? m+5/mn+3m