Answer:
Hey there!
We are trying to find the difference between 4 and -7
We can write -7+x=4, where x is the difference we are trying to find.
Solving for x, we get that the difference is 11.
Let me know if this helps :)
Answer:
B) 
Step-by-step explanation:
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Answer:
2544.8
Step-by-step explanation:
To find 4.5 radians in degress, multiply 4.5 radians by 180°π radians
4.5 x 180°π≈4.5*565.5=2544.75≈2544.8
Answer:
D)If 3x-4=20, then 2x=16
Step-by-step explanation: