Write in algebraic expression! 1) The quotient of 7 and twice a number

2) the quotient of 7 and twice a number

3) three times a number decreased by 11

Find the difference (8ab+a+2) - (3ab+6)

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

If the value of cos330°is√3/2 then find cos 165°.