Sage has a hot dog stand. last week he spent $13 for hot dogs and supplies. he earned $25 what was his profit

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Rosy waxes 2/3 of her car with 1/4 bottle of car wax. at this rate, what fraction of the bottle of car wax will rosey use to wax her entire car

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