Marissa spent a total of 240 minutes exercising last week. how many minutes did she spend walking

Write the factored form of this trinomial 9x^2+18x-7

Grant simplified the expression 1.5(-3.2 + 2.5) his work is shown below explain the error in grants work

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots. players number of free throws made free throw attempts kelly 16 20 sarah 25 30 maggie 31 40 liz 44 50 kim 47 60 how many players made at least 80% of their shots? round to the nearest percent.