What’s the answer really need help

A) 1.5

Step-by-step explanation:

You see, the slope is defined by y_2-y_1/x_2-x_1 so therefore if we look at 3 gallons of water and 4 gallons of water the y is length of string and x is water(gallons) so it's (4.5-3)/4-3=1.5/1= 1.5

50=33x+22

step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb