Graph the functions and approximate an x-value in which the exponential function surpasses the polynomial function. in your final answer, include a copy of the graph. y = 2x2 + 7 y = 5(x-4)

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry