a small town library buys a total of 35 books that cost $462. Some of the books cost $12 each and the remainder cost $14 per book. How many books of each price did the library buy?

Assuming a linear relationship between x and y, if the coefficient of correlation (r) equals - 0.75, this means that:

How long would it take a car to travel 20 miles if its average speed is 60 mph?

What is the solution to this equation? -5 (s - 30) = - 10

tickets for a concert have been in increadbibly high demand. and as the date for the concert draws closer the price of tickets increases exponentially. the cost of a pair of concert tickets was $96 yesterday and today it is $108.

1/5 in simplest form

5% of the number is 23 1%of the same number is 4.6 Work out 16% of the number

Use matrix manipulation to solve for a, b, and c. Set up a matrix equation for AX = B based on the system of equations you derived in part B where X is a matrix of the variables a, b, and c.

How long is the base of a parallelogram with an area of 84 square feet and a height of 12 feet?

Bill is in a class of 15 boys and 35 girls. 40% of the students in class take the bus to school. How many students did not take the bus to school?

How do I graph an inequality in one variable?