X is a normally distributed random variable with mean 67 and standard deviation 18.

What is the probability that X is between 49 and 85?

Write your answer as a decimal rounded to the nearest thousandth.

Find the sum and the product of the roots: 2x^3-5x^2-3x+9=0

Equilateral triangle mnp has perimeter 12a+18b. QR is a mid segment. what is QR

What is the approximate volume of the right cone? The radius is 12cm and the height is 15cm. A) 1360cm ^3 B) 6790cm ^3 C) 3390cm ^3

Round 10,387 to the nearest thousand.

The volume of a cylinder is 4zxcubic units and its height is x units. Which expression represents the radius of the cylinder, in units? 2x 2x2 4px?

Using the piling method, which of the following can be constructed from polygons alone or discs alone? Check all that apply. A. Cone (not including the vertex) B. Pyramid (including the vertex) C. Cube D. Cone (including the vertex) E. Prism F.

Suppose a crew at an unloading dock can unload 3 trucks per hour and have already unloaded 17 trucks. Which equation can be used to model the number of trucks the crew unloads after h hours? A. y = 3h = 17 B. y = 3h + 17 C. y = 17h - 3 D.

Which description is correct for the polynomial 3x3+4x2-7? quadratic trinomial cubic binomial quartic trinomial cubic trinomial

Define a random variable x = number of times that owner-occupied units had a water supply stoppage lasting 6 or more hours in the past 3 months and develop a probability distribution for the random variable. (Let x = 4 represent 4 or more times.

After conducting a financial transaction, a company's accounting staff records a $1,000 decrease in a particular asset.