Write the expanded form for each decimal. 5.23

7.12
62.5
8.8
10.7
9.88

3.02
7.53
6.05
9.99

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

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.

Given that s is the centroid of triangle mno, find sq.