How many solutions does the system of linear equations have?

y = 4x - 7

y = x - 3

Between which two whole number is the spare root of 18

What Does 9/12 equal to?

If the simple interest on you thousand dollars for four years is $960 and what is the interest rate

Why it is not reasonable to say that 4.23 is less than 4.135

Factoring out x^2-4x+24

A simple random sample of size n from a finite population of size N is a sample selected such that each possible sample of size n a. has the same probability of being selected b. has a probability of 1/n of being selected c.

When plotting on the coordinate plane which axis do you move along first?

Last year, Melanie drove 1,200 miles on vacation, 8,850 miles to and from work, and 5,600 miles doing other activities. How many miles did Melanie drive in all? Which clue word (s) tell you to add?

Find the smallest perfect square which is divisible by 1930.

In Mrs. Hu's classroom, 4/5 of the students have a dog as a pet. Of the students who have a dog as a pet also have cat as a pet. If there are 45 students in her class, how many have both a dog and a cat as pets?