Standard normal distribution question!. assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation 20. Find P15, which is the IQ score separating the bottom 15% from the top 85%

The system Px = Qy = R and Tx + Uy = V has the solution (2,9), where P, Q, R, T, U and V are not = to 0. Select all systems of equations that have the same solution. a. Px + Qy = R (P + T) x + (Q + U) y = R + V b.

A rectangle has a perimeter of 25 meters. If the lengths of the sides of the rectangle are multiplied by 7 to make a new rectangle, what is the perimeter of the new rectangle?

What is 19.2*10819.2*108 minutes in hours?

56.58 The model represents a polynomial and its factors. Which equation is represented by the model? +X x2 - 2x-3 = (x - 3) (x + 1) x2 - 4x + 3 = (x - 3) (x - 1) x2 + 2x + 3 = (x + 3) (x - 1) x2 + 4x - 3 = (x + 3) (x + 1) +x² |-x x

What does 1.89million look like

3. Find the smallest number of sweets that I can be put into bags which all cantain either 9, 15, 20 or 24 Sweets with none left over.

Larry is using an online calculator to calculate the outputs f (n) for different inputs n. The ordered pairs below show Larry's inputs and the corresponding outputs displayed by the calculator: (1, 5), (2, 9), (3, 13), (4, 17) Which of the following

Complete the statement to explain why 8,000 : 800 = 10.

What is 282% as a fraction in simplest form

1/4 Times what number equals 9