2.60 x 12 3/4
2.60 x 12.75 (convert to decimal)
= $33.15, which is not listed.
<em><u>Tony has 24 books in total</u></em>
Answer:
-1 1/4
Step-by-step explanation:
First we expand the brackets:
-2a + 8 + 6a = 36
4a + 8 = 36
We then need to get the a's onto one side and the numbers onto the other:
4a = 28
We can then divide to get an x by itself:
a = 28/4 = 7
Answer:
<h2>(3 + i)(4 + 2i) = 10 + 10i</h2>
Step-by-step explanation:
Use FOIL: (a + b)(c + d) = ac + ad + bc + bd
and i² = -1