Given: Triangle ABC with AB = 42 and BC = 20. Which of the following are possible lengths for AC?

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3