40 because of the constant rate
10xX+15 =11X
10X+15=11X
-10X -10X
15=1X
X=15
Translation : being moved from one place to another
dilation: something gets smaller or bigger / grows
Answer:
A expression
B Formula.
C. Identity
D. Equation.
Step-by-step explanation:
B is the formula for the perimeter of a rectangle.
C is an identity because we can fit any value to the variable.
D is an equation .
D. is an equation because only one value of x (3) fits.