6jenna bought n notebooks which cost 5 dollars each, and 3 pens which cost r dollars each. how much money did she spend?

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?