Verify that the number 313131 is divisible by 31

Is 12/15 greater than 12/14

A contractor charges $227 to tile an 80-square-foot patio and $467 to tile a 180-square-foot patio. The contractor charged a customer $707 to tile a patio under this same pricing plan. What was the area of the patio that was tiled?

Joe went to the grocery store with $10 in his pocket. He wants to purchase as many 12-packs of soda as he can. One 12-pack costs $2.80. How many can he buy?

What is the total number of outcomes in the sample space when you toss a coin and spin a spinner with five equal sections 1 through 5?

Write the ratio 15 inches to 6 feet as a fraction in simplest form.

Sid wrote 541,309 on his paper. Using words and numbers explain how the number would change if he switched the digits in the hundred thousands and tens place

A batch of 330 samples of rejuvenated mitochondria contains 6 that are mutated (or defective). Two are selected from the batch, at random, without replacement.

What is the equation form of a pure quadratic? a. ax^2+bx=0 b. ax^2+c=0 c. ax^2+bx=c d. ax^2+c=bx

The horsepower, H (s), required for a racecar to overcome wind resistance is given by the function : H (s) = 0.003s^2+0.07s-0.027, where (s) is the speed of the car in miles per hours.

Is 20, 10, 9 a triangle