A cost of a pair of football boots have been decreased from £70 to £52.50, what was the percentage change?

State if the two triangles are congruent. if they are, state how you know?

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

X+y=-4 x-y=2 use elimination with adding and subtraction