What value of b completes the function f(x) = −x2 + bx + 1? Enter your answer in the box.

If kn = 9 cm, mn = 21 cm, rs = 42 cm, and ps = 18 cm, what is the scale factor of figure klmn to figure pqrs?

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Identify the percent of change as an increase or a decrease. 75 people to 25 people response - correct increase decrease question 2 find the percent of change. round to the nearest tenth of a percent.