North america burned 4.5 x 1016 btu of petroleum in 1998. at this rate, how many btu's will be burned in 9 year?

Identify the slope an intercept of the following linear equation y = 1/5x - 6 a. slope: 1/5; intercept: -6 b. slope: 5; intercept: -6 c. slope: -1/5; intercept: 6 d. slope: 1/5; intercept: 6

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

Acompany that makes? hair-care products had 5000 people try a new shampoo. of the 5000 ? people, 35 had a mild allergic reaction. what percent of the people had a mild allergic? reaction?