In ΔRST, t = 9.5 inches, ∠R=149° and ∠S=12°. Find the length of r, to the nearest 10th of an inch.

In the football stadium, there are 18 empty seats out of 360 total seats. (1a) write the ratio of empty seats to total seats as a fraction in simplest form. (1b) then explain its meaning.

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g