Which of the following expressions are equivalent to −3.5(2 − 3n) − 2.5n?

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.

Proportions in triangles solve for x

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