Answer:
Choice 'D' (10x + 9) (10x-9) is the correct answer
Step-by-step explanation:
100x^2 - 81
This is a difference of squares...
therefore = (10x + 9) (10x - 9)
Step-by-step explanation:
"product" means multiplication. the same as "times".
so,
135 = r×9
Answer:
its cheaper in new York by $1.60
Step-by-step explanation:
132 x 1.30 = 171.60
if the jacket is $170 in new York it is cheaper
Answer:
600
Step-by-step explanation:
all you got to do is 17 goes to what? 20 because its closer. and 27 is closer to 30.
I hope that helps you.
Answer:
0.87
Step-by-step explanation:
If you divide 21÷24, you would get 0.87. The ratio is 87%, ignore the 0
