Rebecca can do 150 jumping jacks in two minutes and Marcus can do 625 jumping jacks in eight minutes. who can do more jumping jacks per minute and by how much?

Suppose a ball is dropped fromca height of 6ft. it bounces back up but time it bounces, it reaches only 7/10 of its pervious height. what is the total of each height that the ball reaches after 5 bounces

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?