Which expressions are a sum of two terms?

Select all the correct answers.

1, 2t
2.(22)(X)
3.4+3m
4.6n+2+p
5.2x+3y

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

What is the absolute value of -100000000000000?

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