21, it says it right in the name.
Answer: gabriel
Step-by-step explanation: when you have x and y,, they usually are equal to 1 and with gabriel's expression,, he made it simplier for us to solve but with his sister,, she just made it more different though both expressions are right,, but in the end gabriel is correct
Answer:
4.2 or 4
Step-by-step explanation:
√18 = 4.24264068712
or 4.2
or 4
Answer:
f(x)^-1 = x - 4
D: {x is all real numbers}
Step-by-step explanation:
change f(x) to y
switch x with y and vice versa
solve for y
650* 2/100* 6
= 78
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