Solution:
we have been asked to find
How much more time did Maria spend doing research ?
Maria spends doing research = 30%
and using email = 15% of a day (24 hours)
Time spent on research = 30% of 24 = 
Time spent on checking email = 15% of 24 = 
so, 
Hence , Maria spends 3.6 hours more on doing research than checking email.
Answer:
9 diagonals
Bit by bit clarification:
Number of Diagonals = n(n-3)/2
For instance, in a hexagon, the complete sides are 6.
Along these lines, the complete diagonals will be 6(6-3)/2 = 9.
Answer:
can u plz make a good picture to solve I can't see good
Step-by-step explanation:
and thanks
Yes I have graphed them and they form a 90 degree angle
3:4 = 3/4
3/4 = 3 divided by 4
3 divided by 4 = 0.75
0.75 = 75%
C. 75%