Let f(x)= 6/-2+2e^-0.3x
What is f(-1)?

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4