Solve the system by elimination. Show your work. 3) - x - 18 y = - 3 and 7x - 9 y = 21

19=p-12; 29, 30, 31

14. Catherine found that as she increases the price of a chocolate bar, the number of sales per week decreased.

Find the slope of eac 7) y=-2x + 5

A mixture contains 40oz of glycol and water, and it is 10% glycol. The mixture is to be strengthened to 25% by adding glycol. How much glycol is in the original mixture?

Which system of equations could be graphed to solve the equation below? log Subscript 0.5 Baseline x = log Subscript 3 Baseline 2 + x y 1 = StartFraction log 0.

Your class is having an election. There are 4 candidates for president, 6 for vice president, 3 for secretary, and 7 for treasurer. How many ways can a president, vice president, secretary, and treasurer be chosen?

Consider a company that selects employees for random drug tests. The company uses a computer to randomly select employee numbers that range from 1 to 6857 6857. Find the probability of selecting a number divisible by 1000.

A shark is swimming 28 feet below sea level. If the angle of depression from a boat on the water to the shark is 19 degrees, what is the horizontal distance between the boat and the shark? Round your answer to the nearest foot.

Find the value of x when the area of a triangle is 22 in2 and has a base of 3x-1 and height of x.

Which relation is a function? A. (6, 5), (1, 1), (6, 4) B. (0, 1), (2, 3), (2, 5) C. (8, - 2), (-2, 5), (6, 0) D. (-2, 3), (-5, 9), (-5, 3)