Central angle of a sector is 72° and the sector has an area of 16.2(pie) ft^2. what is the radius of the circle?

Which of the functions graphed below has a removable discontinuity?

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?

An art teacher made a copy of a small painting. to make the painting easier to see the teacher enlarged the area of the painting by 49%. let y respresent the area of the original painting. the expression below is one way to resperesnt the area of the new painting.find two equivalent expressions that would give the area of the new painting y+0.49y