The length of a rectangle is 4 inches less than its width and the area is 21 square inches. Find the smallest dimension of the rectangle.

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

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

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)