Probabilities of compound events AP Stats: VAR-4 (EU), VAR-4.E (LO), VAR-4.E.1 (EK), VAR-4.E.2 (EK)
CCSS Math: 7.SP. C.8, 7.SP. C.8a, 7.SP. C.8b
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If you roll two fair six-sided dice, what is the probability that the sum is 9 or higher?
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A=1/2h(b1+b2) is the formula for the area of a a trapezoid b regular polygon c triangle d rhombus or kite

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

What is the y-intercept of the line given by the equation