A rock is dropped off the top of a building 70 feet tall so that its height above the ground is modeled by h = -16t 2 + 64. What is a reasonable domain for the time during which the ball is in the air? A.-2 < t < 2
B.0 < t < 2
C.0 < t < 4
D.-4 < t < 4

Which formula gives the area of a triangle? a=1/2(b+h)

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.