john’s checking account had a balance of $126.79. he wrote a check for $75.10. which expression represents one way to calculate the balance in his account after the check was cashed?
a. $126.79 + $75.10
b. $126.79 - (-$75.10)
c. -$126.79 + $75.10
d. $126.79 + (-$75.10)

Perform the indicated operation. 8/a - 6/a + 7/a

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? define a variable for the situation. write an inequality that represents the situation. solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100