Tuesday Evaluate the Expression: Use PEMDAS. 80 - 42+8​

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

Which are the possible side lengths of a triangle?

Ali was paid $75 for mowing a neighbor''s yard. this is one fourth of the amount of money she earned all summer