8 books cost $19.60

what would be the equation for the cost of 10 books

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.