Which expression is the factored form of −1.5w+7.5 ?
a) 1.5(5+w)
b) 1.5(w−5)
c) −1.5(w−5)
d) −1.5(w+5)

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

[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