Which of the following integrals cannot be evaluated using a simple substitution? a. the integral of the product of x and e raised to the x power, dx
b. the integral of e raised to the power of 2 times x plus 3, dx
c. the integral of the product of x squared and e raised to the x power, dx
d. None of these

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

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