3/4 of the pupils in Year 9 say their favourite colour is red. There are 112 pupils in Year 9.

How many students said red is their favourite colour?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

X2 + y 2 = 36 x + y = 6 solve the system of equations.

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)