If the mass of a metal bar which is 3.25m long is 15 kg, find its mass per metre.

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.

Use the distance formula to find the distance between (-3,5) and (3,1)

Write a similarity statement for the similar triangles. afgh ~ a