Find the probability that when a couple has four children, at least one of them is a girl. (assume that boys and girls are equally likely.)

How many trips can a truck with a 1 by 2 meter cylindrical tank take to fill a 890,000 liters tank?

Solve the equations 1) 4x=-36 A. 9 B. - 9 C. - 40 D. 40 2) 5x-15=50 A. 13 B. - 13 C. - 7 D. 7 3) 4 (x+2) - 17=35 A. - 11 B. 25/2 C. 15 D. 11 4) 6x+12=4x-18 A. - 15 B. 15 C. - 3 D. 3 5) 1/2 (4x-10) + 5=x-11 A. 11 B. 6 C. - 11 D. - 6

Simplify the ratio 4 22 30

A local restaurant caught on fire due to grease on the kitchen. If Fireman Greg put out 1/6 of the fire and Fireman Raul put 3/7 of the fire how much of the fire did Greg and Raul put out together?

The width of a tool used for semiconductor manufacturing is assumed to be normally distributed with a mean of 0.5 micron and a standard deviation of 0.05 micron. What is the probability that a randomly selected tool will have a width between 0.

Estimate the area of a circle with a radius of 27 meters. Use 22/7 for pi.

Question 11 options: you take a ride on a ferris wheel which has a diameter of 300 feet. if you ride for four revolutions, what linear distance did you travel? use 3.14 for pi when completing your calculations.

A package of m&m's candies contains 5 colors of m&ms and weighs 1.68 oz if each candy weighs 0.03 oz how many are in the package

What are the next steps for a problem 32n+13=6n?

Solve 30kx-6kx=8 for x