What is the measure of Arc BA? An explanation would be much appreciated.

Find x to the nearest hundredth place

For each proportion find the unknown number x 1/5/8=×/15

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)