Which represents a value 10 times as much as 0.8?

Which best explains why this triangle is or is not a right triangle?

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red