In speech class you lose 3 points for every 30 seconds to go over the time limit your speeches 90 seconds over the time limit what integer represents the change in your points

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.