Lian is deciding which of two gyms to join. Each gym charges a monthly rate plus a one-time membership fee.

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Pls never taught i’m really confused and i rlly need