9. A ladder is placed against a wall. The foot of the ladder is 3 feet away
from the wall and the top of the ladder hits the wall 15 feet off the
ground. What is the slope of the ladder?

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0