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.
Answer:
1.95
Step-by-step explanation:
Well there are 60 minutes in an hour so 60-20=40 so the time
is 11:40 A.M.
Answer:
all of them are sum by 15
Step-by-step explanation:
3 + 15 = 18 + 15 = 33 + 15 = 48
Answer:
x = 3
Step-by-step explanation:
5x + 4x = 9x
27 / 9
3