X-y < z for x i need with this

Y=x+2 4x+3y= -36 system of equation

There is a 9% chance that a booked gig will get cancelled. if you have 4 gigs in a row, what is the probability none of them will get cancelled!

The function p(x) is an odd degree polynomial with a negative leading coefficient. if q(x) = x3 + 5x2 - 9x - 45, which statement is true? a. as x approaches negative infinity, p(x) approaches positive infinity and q(x) approaches negative infinity. b. as x approaches negative infinity, p(x) and q(x) approach positive infinity. c. as x approaches negative infinity, p(x) and q(x) approach negative infinity. d. as x approaches negative infinity, p(x) approaches negative infinity and q(x) approaches positive infinity.