Please i need this asap Which expression has a value of 20? a. 9 + 21 ÷ (3 + 2) × 5 b.(9 + 21) ÷ 3 + 2 × 5
c. 9 + 21 ÷ (3 + 2 × 5) d. 9 + (21 ÷ 3 + 2) × 5

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Arestaurant added a new outdoor section that was 8 feet wide and 6 feet long. what is the area of their new outdoor section

The length of the shadow of a building is 120 meters, as shown below: building shadow 120 m what is the height of the building? (1 point)