Using the guess and check technique, find two numbers that satisfy both conditions. The sum of the two numbers is 56. The second number is seven less than two times the first number. What is the value of the first number, x?

A. 19

B. 21

C. 31

D. 35

How many ways can 5 students be arranged in straight line?

Laura is now trying to come up with a number where three less than 8 times the number is equal to half of 16 times the umber after it was increased by 1

A hemispherical plate with diameter 6 ft is submerged vertically 2 ft below the surface of the water. Express the hydrostatic force against one side of the plate as an integral and evaluate it. (Round your answer to the nearest whole number.

If an ant runs at a speed 2 inches per second for 17 seconds, how far would it run? If an ant ran 2 yards (72 inches) in 24 minutes, what was its speed (in average) that time?

Is it necessary to add a zero after 1.08 to find the sum

Select the correct answer. Lisa creates a scatter plot of the number of minutes she runs on the treadmill and the calories she burns. About how many more calories does she burn for every additional 5 minutes on the treadmill? A. 10 B. 25 C. 50 D.

The model represents x2 - 9x + 14. Which is a factor of x2 - 9x + 14?

Yolanda made 2 quarts of chili. She put an equal amount of 2 quarts into 9 containers to freeze. How much did Yolanda put into each container?

A health plan costs $10,098.00. Employer pays 80 % of the cost. What percent do you pay?

Enrollment in a business class decreased from 25 to 15 students. What was the percent of decrease in enrollment?