If the half-life of a unstable isotope is 10,00 years and only 1/8 of the radioactive parent remains how old is the sample? a.10,000 b. 20,000 c. 30,000 d. 40,000

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

Macy spent $36 on jeans. this was $12 less than twice what she spent on a shirt. which equation to solve this, 12x=36 2x=36-12 2x-12=36 12-2x=36

What is the slope of the line passing through the points (-5, 7) and (-3,5)?