Solve 12÷(-2)x )
12÷-2=-6
-6×3=18
18- -2 = 20
is the answer 20?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?