Answer:
y = x²
Step-by-step explanation:
(Hint: Try typing y = x²)
4!=4*3*2*1=24
11!=11*10*9*8*7*6*5*4*3*2*1=39916800
7!=7*6*5*4*3*2*1=5040
n choose k
how many ways are there to choose k rollercoasters from n choices?

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=

=

=

=

=330
330 ways
Answer:
9
Step-by-step explanation:
when 2 negative signs meet or be multiplied the sign became "+" instead of "- -".
2 = Slope
8 = y intercept
y=Mx+B
M will always be slope
B will be your y intercept