The exact value of sin (-270) is determined using the calculator in degrees mode. The answer is equal to 1. If the radians mode is used, -270 is equal to -2 pi/3. Hence using the calculator, we can verify that the answer is still 1. The value of -270 matters.
Answer:
Step-by-step explanation:
2. 11x + 5y - 6
3. - 97x -21y + 100
That's all i could do hope it helps :l
I'm going to guess B but I'm not sure
Put the value of x = -1 to the equation of a function f(x):

All I know or all I understood was both 7 and 8 aren’t functions. Hope this helped