Use gauss-jordan elimination to solve the following system of equations. 3x + 5y = 7 6x − y = −8 a. x = 2, y = 1 b. x = 5, y = 6 c. x = 3, y = −1 d. x = −1, y = 2

Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Which of these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o