To skate at roller heaven, each person must pay a membership fee (m) and a fee for each session (f). art attended five sessions and paid $25 in all. later, when he had attended 10 sessions, he paid $40 in all. how much is the membership fee and how much are the sessions.
write a system of two equations with the variables m and f in each to represent this problem.

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?

Tan198=asin164=? how to solve this? ?