Factor each polynomial using a greatest common factor. 15
x
7
+
30
x
6
−
45
x
3
15x
7
+30x
6
−45x
3

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0