If 1/3tr=uw, then __?

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box

Find cot x if sin x cot x csc x = √2