Which phrase describes an unknown or changeable quantity?
a. 3 feet 7 inches
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o
b. 4 quarts in a gallon
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c. the height of the building times
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d. 2 o'clock in the afternoon

Use circumcenter theorem to solve for the given values

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!