Which equation shows an example of the associative property of addition? (–7 + i) + 7i = –7 + (i + 7i)
(–7 + i) + 7i = 7i + (–7i + i)
7i × (–7i + i) = (7i – 7i) + (7i × i)
(–7i + i) + 0 = (–7i + i)

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?

Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.