exam Maths Puzzle Numerical Ability

You toss 3 coins. What is the probability that you get exactly 2 heads, given that you get at least one head?

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exam Other Question

Use the quadratic formula to solve each equation.
x^2=-5/4x+3/2
Find the slope and the y-intercept of the line represented by y = 6x – 14


I think the slope 6 and y-intercept (0, –14)