Judge the following sentence according to the criteria given below: usually a parasite does not rob enough energy to kill the host because some fish have a protective agent in the mucus that coats their bodies.a. the assertion and the reason are both correct, and the reason is invalid.b. the assertion is correct, but the reason is incorrect.c. the assertion and the reason are both correct, and the reason is valid.d. the assertion is incorrect, but the reason is correct.

C

Explanation:

The assertion and the reason are both correct, and the reason is valid.

b. The assertion is correct, but the reason is incorrect.

Explanation:

It is true that most parasites do not spend any amount of energy to kill a host, so we can say that in relation to the sentence shown in the question above, the assertion is correct.

However, the mucus that lines the fish's body does not offer any protection against attack by parasites, in this case, we can say that the reason given for the assertion is incorrect.

16x - 4

Step-by-step explanation:

Perimeter of rectangle = 2(L+b)

= 2(x-3+7x+1)

= 2(8x-2)

= 16x-4