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Stella [2.4K]
Answer:
90
Step-by-step explanation:
that's a right angle
Answer:
5 marbles are black.
Step-by-step explanation:
7-2=5
Answer:
B
Step-by-step explanation:
x is the value of x which you input into the function and f(x) is the actual function and therefore the output. so when x=3, f(x)= -2. f(3)=-2