30-6a< -3(5+7a) how do you solve this?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

What is the best estimate of the length of a football