Find the area of the triangle 7.8cm and 2.8cm. a : 21.84 cm 2 b : 21.2 cm 2 c : 10.92 cm 2 d : 10.6 cm 2

If a baseball player hits a baseball from 4 feet off the ground with an initial velocity of 64 feet per second, how long will it take the baseball to hit the ground? use the equation h = −16t2 + 64t + 4.

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

8.74 rounded to the nearest whole number