Suppose your grades on four science exams are 99, 86, 76, and 95. what grade do you need on your next exam to have a 91 average on the five exams? a)99 b)89.4 c)93 d)90

Which of the following is the correct ratio for converting kilograms to grams

X+ y = 5 ; x - y =3 solve using linear combination

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?