A boy throws a rock off a cliff. The function shown below models the flight of the rock, where x equals the distance the rock is from the cliff in yards. How far from the cliff is the rock when it hits the water?

f(x) = -x^2 + 4x + 12

The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.

What is [tex] {7}^{98 + \sqrt{4} } - 3 \times (64 \div 2 + 4 - 36) \times a = a + 36[/tex]?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have