The total cost c a painter charges to paint a house depends on the number h of hours it takes to paint the house. The situation can be represented by the function rule c=15h+245. What is the total cost if the painter works for 30.25 hours? Select one answer below $245

$453.75

$572.75

$698.75
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What is the value of x in the diagram below?

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

Write the equation in logarithmic form e^x=403.429