Can someone help me with 3?

What is the probability of rolling a single die greater than 4

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?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?