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Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2