The three sides of an equilateral triangle are equal in length. What is the perimeter of the equilateral triangle shown? 18 mm

Which of the functions graphed below has a removable discontinuity?

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.

Huong is organizing paperback and hardback books for her club's used book sale. the number of paperbacks is 12 less than three times the number of hardbacks. huong had 162 paperbacks. how many hardback books were there?