Answer:
Step-by-step explanation:
if we have 5 numbers so to make it positive we will need more amount of +ve integers or an even amount of negative integers
so at least there must be two or four rational numbers that are negative if the total number of negative integers is not even then it will not be a positive one
Answer:

∠B=∠C

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HOPE IT HELPS
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<span>Find the difference between ninety-eight and seventy-eight, then multiply by eleven. Ninety-eight minus seventy-eight is twenty, take this and multiply if by eleven to arrive at an answer of eleven. Following the order of operations the math within the parentheses must be done first, then the multiplication. The answer is two-hundred and twenty.</span>
Before sales tax he would have to pay $40 * (1 - 0.25) + $100 * (1 - 0.35) = $30 + $65 = $95.
With a 6% sales tax he'd have to pay 1.06 * $95 = $100.70.
i hope this helps! :D