Calculate the following probability: given that a couple has an education level = 4, what is the probability that it has sc index of 9 or 10?

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

The stairs leading from the ground to the entrance of a plane forms a right triangle with the ground. if the distance of the stairs measures 22 feet and the ground distance measures 11 feet, how high is the entrance to the plane from the ground? which diagram represents this scenario? / 22ft © 22ft 11 ft 11 ft 22 it