Jake has 7 pencils. Karen says she has 4 × 7 pencils.

Which is another way to find how many pencils Karen has?
A. 4 + 7
B. (4 + 3) × (4 + 4)
C. (2 × 3) + (2 × 4)
D. (2 × 7) + (2 × 7)

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%