Select all expressions that equal −7−(−12) . A
7+(−12)

B
−7+(−12)

C
−7+12

D
7+12

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Does the point (1, sqrt 7) lie on circle shown.

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?