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What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?