What is the value of the expression shown below? 3 over 6 to the power of 2 + 7 × 4 − 5

6 and 1 over 4
6 and 1 over 2
23 and 1 over 4
23 and 1 over 2

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

City l has a temperature of −3 °f. city m has a temperature of −7 °f. use the number line shown to answer the questions: number line from negative 8 to positive 8 in increments of 1 is shown. part a: write an inequality to compare the temperatures of the two cities. (3 points) part b: explain what the inequality means in relation to the positions of these numbers on the number line. (4 points) part c: use the number line to explain which city is warmer. (3 points)

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