Which is true about the completely simplified difference
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the polynomials a3b + 9a²b2 - 4ab5 and a'b - 3a²b2 + aba
the difference is a binomial with a degree of 5.7
the difference is a binomial with a degree of 6.
the difference is a trinomial with a degree of 5.
the difference is a trinomial with a degree of 6?

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

Ineed with math stuff it involves graphs

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?