Find a general solution in powers of x of the differential equation. State the recurrence relation and the guaranteed radius of convergence. (x2 - 9)y'' + 4xy' + 2y = 0
A. Find a general solution in powers of x.
B. Find the guaranteed radius of convergence p.

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists