A music store receives shipments of recorders and harmonics. A shipment of 5 recorder and 4 harmonics costs $62. A shipment of 10 recorders and 3 harmonicas
costs $84. Find the cost of a recorder and a harmonica.

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?