Suppose X is a normal random variable with mean μ = 70 and standard deviation σ = 6. Find b such that P(70 ≤ X ≤ b) = 0.3.

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

Which graph represents the linear function below? y-3=1/2(x+2)