Please help me I need help

C.

Step-by-step explanation:

The measure of the angle B = 180 - (90 + 45) = 45

Now, since ∠A = 45 = ∠B then ABC is an isoceles right angled triangle at point C

then BC = AC = 14

applying the Pythagorean theorem:

histogram or dot plot?

step-by-step explanation:

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value