d. The first entry in the product Ax is a sum of products. Choose the correct answer below. A. True. The first entry in Ax is the sum of the products of corresponding entries in x and the first entry in each column of A. B. False. The first entry in Ax is the sum of the corresponding entries in x and the first entry in each column of A. C. True. The first entry in Ax is the sum of the products of corresponding entries in x and the first column of A. D. False. The first entry in Ax is the product of and the column .

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

step-by-step explanation:

what are the statements? and what do you mean by "216 2 1 6"?

a

step-by-step explanation:

u take $30 minus $24. the answer/original($30)

b. 18

step-by-step explanation:

so the equation for this is:

ab^2=ac⋅ad

ab being the top length of 6 and ac being the length of 2 and ad being the length of x. let's plug into the equation:

6^2 = 2x

now lets just solve for x:

36 = 2x

18 = x

i hope that !