z is a standard normal random variable. What is the value of z if the area to the right of z is 0.1112 *

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.