If 8 adult smartphone users are randomly selected, find the probability that at least 4 of them use their smartphones in meetings or classes.

Solve 2 (3b-4) = 8b-11

7/20 + (-11/12) I I had 77/220 and that was wrong. I cant figure this out.

I want to cover the curved surface of a cylinder with orange paper. My cylinder is 14" tall. The diameter is 3.5". I have listed the sizes of paper I have available. Which sheet of paper will cover the cylinder without overlapping? A. 5"x14" B.

Simplify using the distributive property -4 (5w+2)

Transform this equation to slope-intercept form: 6x + 4y = 8. A. y equals fraction three over two end fraction times x plus four B. y equals negative fraction three over two end fraction times x plus four C.

Look at the division problem and choose the correct first step. 138 divided by 6 (A) Multiply 6 and 20 to get 120. (B) Subtract 120 from 138. (C) Divide 6 into 13 and put a 2 in the quotient. (D) Divide 6 into 18 and put a 3 in the quotient.

The relation between two expressions that are not equal

How to convert yard to feet

365 rounded to nearest hundred

Round 18.7 to the nearest whole number