How many degrees is the "Rock and Roll" slice? Classical - 10%
Country - 12%
Rap - 35%
Alternative - 15%
Rock and Roll - 28%

Please help!

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

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?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?