Help plz! I dont understand this problem? Abi has 20 cents. She bought x pencils for 3 cents each. If y is equal to the number of cents left, write an equation that shows the dependence of y on x. What is the domain of the function?

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20 points! asap! a is known to be 6,500 feet above sea level; ab = 600 feet. the angle at a looking up at p is 20°. the angle at b looking up at p is 35°. how far above sea level is the peak p? find the height of the mountain peak to the nearest foot. height above sea level =

Find the quotient. 50a2 – 98b2 -5a +7b

Polynomial that can be factored as (3x-4)(3x+4)