Brianna is twice as old as James. David is four times as old as James. Brianna is 20 years younger than David. How old is David?

A vendor pays a rock band 1/3 of the total profit from T-shirts and sweatshirts sold at every concert. The vendor paid the rock band $726 after the last concert.

For his phone service, Sam pays a monthly fee of $22, and he pays an additional $0.04 per minute of use. The least he has been charged in a month is $69.32.

0.5cm=1.5m. 36m tall. Find the scale factor.

Given this rectangular prism with length = 15 m, height = 25 m, and Volume 13, 500 m*, find the missing width of the prism: V = 13,500 m² 25 m 15 m ? m

13. A company is conducting a survey of 235 people to measure the level of interest in a new product. Assume that the probability of a randomly selected person's being ""very interested"" is 0.

If the hypotenuse of a right triangle is 15 inches and one leg is 9 inches, the measure of the angle between these sides, rounded to the nearest degree is 47 degrees true or false?

Find the geometric mean of 6 and 96.

What is the value of x? 3x-8=8x+4/2 Enter your answer in the box

Using the until circle, what is the exact value of tan 2pi/3

Nicole has a piece of red ribbon that is 9.91 inches long and a piece of green ribbon that is 1.66 inches long. How much longer is the red ribbon?