Alejandro has $18 dollars in his checking account. He then writes a check for $26. What is the balance of Alejandro's bank account?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

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%