Select the correct answer.
How can you quickly calculate 20 percent of any bill amount?

A.
Round the amount to the nearest $10, remove the zero in the ones place, and add half the resulting amount.
B.
Round the amount to the nearest $10, remove the zero in the ones place, and halve the resulting amount.
C.
Round the amount to the nearest $10, remove the zero in the ones place, and double the resulting amount.

81 seats

step-by-step explanation:

if you multiply 0.65 times 125 then you get 81.5 seats. well since you can't have half of a seat you have to round down and get 81 seats in the no children zones. that leave 44 seats outside of the no children zone.

your answer   is c

step-by-step explanation:

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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answer: the center is the median and/or mean of the data. the spread is the range of the data. and, the shape describes the type of graph. the four ways to describe shape are whether it is symmetric, how many peaks it has, if it is skewed to the left or right, and whether it is uniform. good luck

step-by-step explanation: