The power, P (watts), of a car engine is proportional to the square of its speed, s (m/s) When s=30, P=1260
Work out the power when the speed is 25m/s

Ascatter plot with a trend line is shown below. which equation best represents the given data? y = x + 2 y = x + 5 y = 2x + 5

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?