Katy saves dimes and quarters. she has 40 coins, which totaled $6.55, in her bank. how many of each coin does she have? < i need two linear equations to solve. what would they be in this problem? >

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area