your parents allow you to borrow a car go get yo your part time job but you have to pay for a tank of gas each month gasoline costs 2.56/gallon and the tank takes 15 gallons. you have another person who wants to carpool with you and your friend. the tank will be split evenly. how much do you and your friend each save by having a third person sharing the tank of gas?​

Ineed me i stuck and i don’t want to get it wrong

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y