Two similar cylinders have radii of 28 inches and 32 inches. What is the ratio of their volumes?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet