The blueprint for a house has a scale of 1 cm = 3 ft. what would be the actual length of a wall that was 5 cm on the blueprint?

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

What is the range? can’t seem to find it out

Multiply: 2.7 × (–3) × (–1.2). a. –9.72 b. –10.8 c. 10.8 d. 9.72