Julie buys 19 identical calculators. The total cost is £143.64
Work out the total cost of 31 of these calculators.

Acolony contains 1500 bacteria. the population increases at a rate of 115% each hour. if x represents the number of hours elapsed, which function represents the scenario? f(x) = 1500(1.15)" f(x) = 1500(115) f(x) = 1500(2.15) f(x) = 1500(215)

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

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