Mr. pham wrote the equation below on the board.

18-7x=-20.5

what is the value of x?

A. - 5 1/2

B. - 5/14

C. 5/14

D. 5 1/2

A factory produces 90 packages of mixed nuts in 1 min. A quality control manager selected 10 of these 90 packages at random and then counted the number of nuts in each package. The manager recorded the results.

Find the value of a/b when a = $13.93 and b = 0.07

Edna says that when (x - 2) 2 = 9, that x - 2 = 3. Use complete sentences to explain whether Edna is correct. Use specific details in your explanation.

Rachael has saved $485. She is starting a part-time job that pays her $300 a week, and she plans to save all of the money she earns. Which algebraic expression can be used to represent Rachael's total savings after x weeks?

A six-sided number cube with faces numbered 1, 2, 3, 4, 5, and 6 is rolled. Which events are mutually exclusive? A. rolling a 4, rolling a prime number B. rolling a 3, rolling a prime number C. rolling a 2, rolling an even number D.

A runner runs a distance of 280 metres in a time of 40 seconds. What is his average speed?

Estimating perfect squares

What is 8*4 equal to

Dave is making a recipe for soup that includes 12 cups of water and 3 cups of broth. how many times as much water as broth will be in the soup?

Solve: 10 sin^2 (X) - 3sin (X) - 1 = 0 Let u = sin (x). The given equation is equivalent to (2u - 1) (5u + 1) = 0 (10u + 1) (u - 1) = 0 (5u - 1) (2u - 1) = 0