A large rectangle is made up of 3 smaller identical rectangles, the perimeter of one small rectangle is 21cm. What is the perimeter of the large rectangle.

A cell phone company charges a $15 activation fee, and then $30 per month. If Ian has the plan for 24 months, what is his total cost? Evaluate the expression $15 + 24 ($30) to find the total cost.

A train left Apex at 12 P. M. and traveled for 3 hours and 5 minutes. It stopped for fuel for 10 minutes, and then continued toward its destination for 1 hour and 20 minutes. What time did the train arrive at its destination

Maria earns $60.00 for 8 hours of work and Marc earns $46.50 for 6 hours of work. Which person earns the most per hour? A. Maria. B. Marc. C. They earn the same amount. D. It cannot be determined.

Find six rational numbers between 3 and 4.

6.099 to underlined digit 0

Four team members are running a 3 1/2 mile team relay. How many miles does each member run?

Cell phone companies estimate that the total number of text messages (t) since the beginning of the month can be modeled by t=40*sqrt (x) where (x) is the number of days passed in the month.

One number is 6 less than 3 times another number and their sum is 62

A manufacturing company hired 30 new employees. This hiring increased the company's total workforce by 5%. How many employees now work at this company?

Systems by substitution: A phone company offers two monthly plans. Plan A costs $17 plus an additional $0.17 for each minute of calls. Plan B costs $28 plus an additional $0.13 for each minute of calls.