Acircle has a radius of about 12mm. which measurement is closest to the circumference of the circle? a 37.7 mm b 75.4 mm

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

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).