5 tens : 50
8 ones : 8
50 + 8 = 58
Easy peasy, lemon sqeezy.
When <span>b = 10
</span><span>
1. 2(10 + 4) = 16
28 </span>≠ 16 FALSE
<span>
2. 2(10 + 2) = 40
24 </span>≠ 40 FALSE
<span>
3. 3(10 – 2) = 24
24 = 24 TRUE
4. 2(8 + 10) = 42
36 </span>≠ 42 FALSE
<span>
5. 3(10 – 4) = 20
18 </span>≠ 20 FALSE
<span>
Answer is
</span><span>3. 3(b – 2) = 24</span>
Discriminant: 24
Solutions: x=−3± the square root of 6
Commonsense you do math in your mind
The Answer is A.(you are welcome)
