Whats the purpose of finding X in any given equation?!

For a saturday matinee, adult tickets cost $5.50 and kids under 12 pay only $4.00. if 70 tickets are sold for a total of $310, how many of the tickets were adult tickets and how many were sold to kids under 12?

What real world situation would be rotation in geometry

Yuson must complete 15 hours of community service. She does 3 hours each day. Which linear equation represents the hours Yuson still has to work after x days?

The lifetimes of light bulbs of a particular type are normally distributed with a mean of 210 hours 14) and a standard deviation of 5 hours. what percentage of the bulbs have lifetimes that lie within 1 standard deviation to either side of the mean

Using the distributive property, an expression equivalent to 34 + 16 is? A. 2 (17+8) B. 17 (2+8) C. 34 + (4) (4) D. (2) (17) + (4) (4)

A radio disc jockey has 8 songs on this upcoming hour's playlist: 2 are rock songs, 3 are reggae songs, and 3 are country songs.

A rectangular prism has a height of 4 meters, a surface area of 96 square meters, and a base area of 8 square meters. Calculate the perimeter of the base of the prism.

36 as a percentage of 48?

Leroy's racing number is the difference between 11,023 and 10,090. what is it?

There are 25 students acting in a high school play. They make up 2% of the high school students. Hoy many students attend at the high school play