A(b) is a function
true or false?

How many $20 bills do you need to have to make $280

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36