A student takes an exam. The ratio of her right answers to her wrong answers is 11 to 3. Which of the following could describe this situation She answered 33 wrong and 9 right.
She answered 22 wrong and 14 right.
She answered 9 wrong and 33 right. she answers 14 wrong and 22 right

4th option is correct xy=-10

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4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

answer: two angles are called supplementary if they add up to 180°. example: the two angles (140° and 40°) are supplementary because they add up to 180°.

step-by-step explanation: