That is a right angle. :)))
Answer:
i
Step-by-step explanation:
Why is i the square root of negative one?
The term "imaginary" is used because there is no real number having a negative square. There are two complex square roots of −1, namely i and −i, just as there are two complex square roots of every real number other than zero, which has one double square root.
The number to represent this would be +16.43, since it is credited to his account instead of deducted.
8 1/4 -> 1/6 hour
How many pages -> 1 hour?
You can use the cross multiply method

= 49.5 pages
Or you change the hours to minutes.
1/6 hour is 10 min.
[1/6 × 60 = 10 ]
Either way you'll get the same answer.
Answer:
77.7
Step-by-step explanation:
d = 6(10) + 17.7
d = 60 + 17.7
d = 77.7