Which is another way to write this expression?
15 • (8 – y)
a.
15 • 8 • y
b.
(15 • 8) – (15 • y)
c.
(15 • 8) – y
d.
15 – 8 – 15 – y

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

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.

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.