42 less than four times a number is equal to the number. What is the number?

What's one fifth of 50 percent

The perimeter of a square is given. Write and solve an equation to find the length of each side of a square. 1. P=36 in. 2. P=100 yd.

A passenger escalator travels from the first floor to the fifth floor a distance of 10 m in 10 seconds what is the escalator speed

Translate "the sum of x and one-half of x" into mathematical expression

Explain why numbers with a 5 in ones place or not prime numbers

10. The length of a rectangle is six times the width. If the length is 18 inches, what is the width

A safe has a 4-digit lock code that does not include zero as a digit and no digit is repeated. What is the probability of a lock without all even digits? There to get a lock code with all even digits. There are 3,024 different 4-digit lock codes.

Express 2/5 as a decimal

Simplify - 3/5 : 7/6 what is the answer

Let p (z) = 0.54, p (y) = 0.22, and p (z u y) = 0.62. Find each probability.