Which equation shows an example of the associative property of addition? O 4 + 1) + 41 = 4 + (i + 41)
(4+1) + 4i = 4i + (-41+ 1)
O 41-(-4; + 1) = (4i – 4) + (41 - 1)
O (-41+ 1) + 0 = (-4i + 1)

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=

Five times a number decreased by nine is equal to twice the number increased by 23. which equation could be used to solve the problem? 5x – 9 = x + 23 5x – 9 = 2x + 23 5x – 9 + 2x = 23 5x + 23 = 2x + 23