Answer:
the first one
Step-by-step explanation:
Answer:
B) Because l l means "Opposite of.''
Step-by-step explanation:
Answer:
Part A: $21 Part B: $30.21
Step-by-step explanation:
Part A: First, just multiply 15 to 40 divided by 100. 15 x 40/100
40/100= 0.4. 15 x 0.4=6. 15+6=$21
Part B: Discount the book by 25% and then add the sales tax which is 6% and then the answer would be $30.21.
<u><em>HOPE THIS HELPS!!</em></u>
you have to apply this formula (a+b)(c-d)=ac-ad+bc-bd
-6a^3*b*5a^2+6a^3b*2ab+6a^3b*b+2ab^2*5a^2-2ab^2*2ab-2ab^2*b=
-30a^5*b+12a^4b^2+6a^3b^2+10a^3b^2-4a^2b^3-2ab^3