" the sum " means add
the sum of 8 and a number...
8 + n <== ur expression
650 Because if the student can do 65 words in 2 mins, you would have to do 20 divided by 2 and get 10 then times 10 by 65 which is 650 in 20 mins.
a and g i think, hope this helps
What's the problem about geometry? Which section?
<h2>
Answer:</h2>
<u>By supplementary angle property</u>,
x + 78° = 180°
x = 180° - 78°
x = 102°.
