7 added to a number, 7 plus a number, 7 and a number, etc. It's written in many ways.
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sorry if this doesn't help
Answer:
6x - 24y
Explanation:
Expand -3(10x + 4y): -30x - 12y
= 
Simplify 
= 6x - 24y
Mordancy.
Remember that polynomials are closed under addition, subtraction, and multiplication, but they are not closed under division. The only division you have there is B; therefore the correct answer is
B.
A.

. The result is still a polynomial; therefore, answer A is incorrect.
B. 
with a remainder of 26. The result is not a polynomial anymore; therefore,
B is the correct answer.
C.

. The result is still a polynomial; therefore, answer C is incorrect.
D.

. The result is still a polynomial; therefore, answer D is incorrect.
Answer:
B
Step-by-step explanation: