A method of solving a system of equations in which one variable is replaced by an expression using the other variable as a representation for that variable.

I need to know what this is called

Share the ratio 24 in the ratio 3:4

Explain why Four groups of 4 tenths is 1.6?

Item 15 Evaluate 4a when a=7. The value is . Item 15 Evaluate 4a when a=7. The value is?

Are skittle colors distributed evenly?

How to write in number ninty-two million, three hundred twenty-four thousand, sixty-six

A large university accepts 70% of the students who apply. Of the students the university accepts, 25% actually enroll. If 20,00 apply, how many will enroll?

Compare the rates to find which is greater 315 visitors in 21 days or 714 visitors in 51 days

Which values of P P and Q Q result in an equation with no solutions? 8 3 x + P = 8 3 x + Q 83x+P=83x+Q

Candis took out a payday loan with an effective interest rate of 15,400%. if she had 220 to invest for a year at this interest rate, how much would make in interest? A. 3,388,000 B 338,800 C ... 3388 D 33,880

Pippa has 18 puppies, 12 of the puppies have two ears. what is the percent of the puppies have two ears?