Which of the following is a monomial?

A. 2x - 1

B. 3x + 4

C. 4

D. 3x2 + 2x - 1

Value of x in expression

The local phone company charges 71.32 keep your phone hooked up and 0.50 for everything cause you make if you make 150 calls how much will you owe the phone company

4 (3+8) - 8^2:32 what is the answer? show work

What is the value of x? 12-x=7

A highschool gym teacher randomly selects a group of two players from three students to demonstrate a basketball drill during class the three students consists of two girls andrea and marta and one boy davi.

What is the surface area of a conical grain storage tank that has a height of 43 meters and a diameter of 14 round to the nearest square meters

There are 8 rulers in the drawer Sara took 3 rulers from the drawer how many rulers are now in the drawer

What is the value of "c" in the quadratic equation 3x 2 + 5x + 7 = 0?

What is the estimated sum? round each number to the nearest hundred before adding. 521,370 26,839

You are planning a 420 mile trip. You will drive at a rate of 60 mph. After 2 hours of driving you stop for 15 minutes. After two more hours, you will stop for 30 minutes to eat. Two hours later, you will stop for 15 minutes again.