Answer: Multiplying 3x and -x we obtain A= -3x^2
Answer: a) about 450
Step-by-step explanation:
50 multiplied by 9 is 450 and its asking for an approximate so it would be anything near 450
All you have to do is multiply your number and then add them together !!
Answer: C
Step-by-step explanation:
We can use the expanding rule to get that one if the expressions is
(9x^2 + 2x - 7)x + (9x^2 + 2x - 7)(-4)
First, find out how much stan gets per week.
.25 x 7 =1.75
now how much they get together
1.75 + 1.20 = 2.95
and then the final step
23.60 / 2.95 = 8
it'll take 8 weeks for them to buy the model car set
