8+20-2r which is equal to 28-2r so it is (B)
Follow the order of operations.
First do what is inside the parenthesis
20 + 3(7+4) + 5 + 2(7+9)
20 + 3(11) + 5 + 2(16)
Next, do the multiplication
20 + 3(11) + 5 + 2(16)
20 + 33 + 5 + 32
Then add
20 + 33 + 5 + 32 = 90
Answer:
6. (If I understand the qeution)
Step-by-step explanation:
42 <em>divided </em>by<em> </em>7 <em>= 6</em>
Answer:
35+2.5v = 70
so the answer is 14
Step-by-step explanation:
i solved it xD
Answer:
Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
<h3>tips and formulas:</h3>
- (a+b)³=a³+3a²b+3ab²+b³
- a³+b³=(a+b)(a²-ab+b²)
<h3>let's solve:</h3>
and
we are done
