4. A B ft. by 20 ft. room has a circular rug. If the rug has a diameter of 10 ft., how much of the floor is not covered by the rug?

5. The density of concrete is 2400 kg/m3. If the mass of a plece of concrete is 130 kg, what will the
volume be in cubic meters?

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

Find the value of x. give reasons to justify your solutions! h ∈ ig

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet