Reflect the polygon twice across parallel lines. What one transformation could you have performed to get the same result?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

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