PLEASE HELP is this relation a function? Justify your answer.
A. Yes because every x- and y-value is positive.

B. Yes, because the number of x-values is the same as the number of y-values.

C. No, because two points with the same x-value have different y-values.

D. No, because two points with the same y-value have different x-values.​

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

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56

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if x = 1, then the answer is 3.5

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

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