What multiplies to be 72 and adds to be -17

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

What is negative 3/9 times negative 2/8 ?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse