Jack jack broke apart 5 x 216 as 5 x 200 5 x 16 to move to multiply mentally. what strategy did jackie use?

For what is the measure of the angle at the top of the shed? a. multiplication of areas b. squaring of areas c. addition of areas d. division of areas

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

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