Karen works at a toy story. she has 2 7/8 of marbles . she is making 1/16 pound packages . how many packages will she make?

The circumference of a circle is 5 pi cm. what is the area of the circle?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.