Suppose that a normal distribution has a mean of 20 and a standard deviation of 4. What is the z-score of 13?

The sum of 7 times a number and - 3 is multiplied by 2. This result is 114 greater than the opposite of the number. Find the number.

In the following function defined by an equation in the form y=ax^2+bx+c, identify the values of a, b, and c. y = - x^2+5x A) a=0, b=5, c=0 B) a = - 1, b=5, c=0 C) a = 1, b=5, c=0 D) a=5, b = - 1, c=0

How can I find out if 80 is 25% of a number

Which statement is true? A. 29 64 > 15 32 B. 14 56 < 7 35 C. 12 13 24 28

Which of the following options could be the measure of a major arc? 80° 106° 180° 196°

Vertex form of y=x^2-4x-9

What term describes how two sides of a figure are related

There are 7 7/8 cups of skittles in a Jar. If 2 1/4 cups are used for a party, how many skittes are left in the jar?

Paul popped a ladder against a wall which measures 10 feet. How high up on the wall will the ladder reach if the foot of the ladder is 5 feet away from the wall?

53:50 The height of a right rectangular prism is three times the width of the base. The length of the base is twice the width Which expression represents the volume of the prism in terms of w, the width of the base?