exam Maths Puzzle Numerical Ability

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The demand and supply equations for a certain item are given by
D = -5p + 40
S = -p^2 + 30p - 8
Find

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exam Other Question

The probability is 1 in 4,000,000 that a single auto trip in the US will result in a fatality. Over a lifetime, an average U.S driver takes 50,000 trips. (a) What is the probabilit Write the equation of the line with given slope and y-intercept. Then graph each line using the slope and y-intercept.

Problem: Slope 5; y intercept (0,-2)