Find the power series solution of the equation 4xy"+2y'-y=0

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height