Solve the linear system ALGEBRAICALLY. Show All Steps for solving!
y=x2-4x-1
x+y=-3

Is the square root of 4 plus the square root of 16 rational?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$