2. The cost of producing tires, t, is defined by C(C)= -0.45t? + 12+ + 450. Determine the average rate of change for the cost to produce tires between 2 and 4 tires.

The average rate of change between 2 and 4 tires is
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Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Apolice office claims that the proportion of people wearing seat belts is less than 65%. to test this claim, a random sample of 200 drivers is taken and its determined that 126 people are wearing seat belts. the following is the setup for this hypothesis test: h0: p=0.65 ha: p< 0.65 find the p-value for this hypothesis test for a proportion and round your answer to 3 decimal places.

Me find the answer and explain the process to find the answer of the problem appreciate it : )