Let x be a randomly selected value from a normal distribution with mean 39 and standard deviation 19. If P(x≤ k) is approximately 0.8643, what is the value of k? Please help!

Solve for x i'll try to attach the files bc it's not letting me for some reason

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x