Help plzz i'll give you 12 points to answer this.

Nine more than four times a number is the same as one less than twice the number. find the number?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax