Alex had -$12 in his bank account. he added the $73.26 he earned that week. then, he spent $65.50 on a new game. how much money is in his account now?

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

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

Which two undefined geometric terms always describe figures with no beginning or end?