Mark is solving the equation 4x2 = 12x - 9 using the quadratic formula.

which values could he use for a, b and c?

question 6 options:

a. a = 4, b = 9, c = -12

b. a = 4, b = -12, c = 9

c. a = 4, b = 12, c = -9

d. a = 4, b = -9, c = 12

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles

Pls! does anybody know a shortcut for answering these types of questions in the future?