Answer:
25
Step-by-step explanation:
Simplify 84/100 to get to 21/(?). To get to 21 you'd divide 84 by 4 so you'd have to do the same thing to the denominator. 100 divided by 4 is 25, therefore there were 25 questions.
You would have to put te greater numbers first so the answer would be 9/7/5/4/1
(The / represent the divison symbol)
Answer:

Step-by-step explanation:
remember that,
<u>if </u><u>a </u><u>side</u><u> </u><u>of </u><u>a</u><u> </u><u>triangle</u><u> </u><u>expanded</u><u> </u><u>exterior</u><u> </u><u>so </u><u>formed</u><u> </u><u>is </u><u>equal</u><u> to</u><u> </u><u>the</u><u> </u><u>sum </u><u>of</u><u> the</u><u> </u><u>two</u><u> </u><u>interior</u><u> </u><u>angles</u>
so,

simplify addition:

Answer: 15 guests
Explanation: To get this, you do 9.5/0.6 and that'll give you 15.833333 etc.. however since it is not a complete 16 you round down and get 15 guests.
Answer:
$42
Step-by-step explanation:
It's $42 because 11+44.50 is 54.50 and then you take out 6.25 twice because it's her and one friend to get 42 dollars. Hope this helps!