Math help please explain

Paul’s house has an area of 1,650 square feet. He plans to add another room on to his house. The new rectangular addition will have dimensions of 12 feet by 15 feet. What will be the area of the house after the new room has been added?

(1 point)A. 1,830 square feet

B. 1,770 square feet

C. 1,215 square feet

D. 180 square feet


2. Melissa is selling gift wrap for a school fundraiser. The small package contains one rectangular sheet that measures 20 inches by 30 inches. The large package has one rectangular sheet of gift wrap that measures 40 inches by 80 inches. How many more square inches of gift wrap are in the large package than in the small package?

(1 point)A. 600 square inches

B. 3,200 square inches

C. 2,400 square inches

D. 2,600 square inches
3. The border on a rectangular quilt measures 22 feet. If the width of the quilt is five feet, what is the length, in feet, of the quilt?

(1 point)A. 6 feet

B. 8 feet

C. 12 feet

D. 27 feet
5. The measurements below are for the base of this rectangular prism.



If the volume of the rectangular prism is 140 cm3, what is the height, in centimeters, of the prism?

(1 point)A. 112 cm.

B. 28 cm.

C. 5 cm.

D. 32 cm.
6. The table below shows the length of time Salvador spent watching television last week.



If Salvador watched television for a total of 10 hours last week, approximately how many hours did he spend watching television on Saturday?

(1 point)A. 9 hours

B. 1 hour

C. 3 hours

D. 2 hours
7. If the radius of a circle (r) is 23 feet, what is the diameter (d) of the same circle?

(1 point)A. d = 11.5 feet

B. d = 144 feet

C. d = 46 feet

D. d = 72 feet
If the diameter of a circle (d) is 125 inches, what is the radius (r) of the same circle?

(1 point)A. r = 62.5 inches