A and B and vertical angles. If A=(2x-10) and B= (x+8), find the measure of A

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

10x − 5y + 14 = 0 whats the answer pls