D, because the sum is no more than 28 so it could be equal or less than.
Answer:
y=-9
Step-by-step explanation:
-3(y+2)=21
1st Open parenthesis
-3y-6=21
+6 +6
-3y=27
/-3 /-3
y=-9
Answer:
C is a constant ( a value that doesn't change)
Step-by-step explanation:
for example (X^2), here x is a variable with an exponent. (8x), here 8 is a coefficient. making c a constant.
Answer:
December
Step-by-step explanation:
There are 12 months in a year and if the x value is equal to 12, and December is the 12th month of the year then x=December in the calender year.