Estimate the tip on the following bill by rounding the bill to the nearest dollar. 20% tip on a bill of $97.85
A.
$22.00
B.
$19.60
C.
$18.90
D.
$17.00

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d. vertex

step-by-step explanation:

step-by-step explanation:

points a and b are equidistant from the desired line, so the line you find by using them will go through point r.

using points other than a and b will give the desired line only if they are equidistant from r. if they are randomly located, the perpendicular line you create will not necessarily go through point r, hence will not be a solution to the problem.

step-by-step explanation:

its 512 because parenthesis and to the 2nd power is 512 so it will be 512