Answer:
Y
Step-by-step explanation:
The y-axis is the the secondary or vertical axis of a system of coordinates, points along which have a value of zero for all other coordinates.
16: B; irrational number, real
17: C; whole, integer, rational, real
18: B; real, rational, integer
Answer:
or 
Step-by-step explanation:
To find slope we use the slope formula

Two points on the line we can classify are (3,4) and (4,8)
Answer:
inequality form: x<14
Step-by-step explanation: Isolate the variable by dividing each side by factors that don't contain the variable.
Its a quadratic trinomial
Its quadratic because the highest degree in the equation is two
Its a trinomial because there are three different terms in the equation