Find the answer to the following problem. a coin collection worth $3.45 contains nickels, dimes, and quarters. if there are twice as many dimes as quarters, and the number of nickels is 9 more than the number of quarters, find the number of each kind of coin.

What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Need an artist designed a badge for a school club. figure abcd on the coordinate grid below shows the shape of the badge: the badge is enlarged and plotted on the coordinate grid as figure jklm with point j located at (2, -2) and point m is located at (5, 4). which of these could be the coordinates for point l? a. (2, 4) b. (8, 4) c. (5, 1) d. (5, 7)