Evaluate the expression below for x = 4.
3x + 2x - 81 - 12

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second

Angie has saved 3/8 of the amount she needs to buy a bike. clive has saved 7/10 of the amount he needs to buy a skateboard. what is the difference between clive's and angie's fraction of savings?