Given f(x) = x^2 + kx -15, and the remainder when f(x) is divided by x-2 is -23, then what is the value of k?

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?