Simplify each of the following expressions. 1. 6(a + 8)= ?
2. 4(1 + 9x) = ?
3. (9m + 10) • 2= ?
4. 3(2x + 4y - 15z)

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Find the values of y: 3y^3(y^2+ 2/3y)=0

What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)