Check the picture below.
make sure your calculator is in Degree mode.
Answer:

Step-by-step explanation:
Based on the given conditions, write: 
Find common denominator and write numerators above common denominator: 
Calculate the sum or difference: 
Divide the fraction by multiplying its reciprocal: 
Calculate the product or quotient: 
Answer:
Answer:
256
Step-by-step explanation:
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-3x + 4 > 5
-3x > 5 - 4
-3x > 1
x < 1/-3
x < -1/3
The top left graph is the only one correct. It rises up slowly then faster, and then stays constant for an hour, then decreases.