Substation
X=5
2x+y= -15

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.

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?