If x = 3r – 4 and y = 3r + 2, which of the following expresses y in terms of x?
a y=x + 2
b. y = x + 6
c. y = 9r + 14
d. y = 6r - 2
e. y = 3x + 14

Brent works part-time at a clothing store. he earns an hourly wage of $15. if he needs to earn more than $45 in a day and works for x hours a day, which inequality represents this situation? a. 15x > 45 b. 15x < 60 c. x > 60 d. 15x < 45 e. x < 60

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.