If tuvw is an isosceles trapezoid with tu parallel to wv, name a pair of similar triangles. explain.
a. uxv ~wxt by the sas similarity theorem.
b. txu~wxv by the sas similarity theorem.
c. wuv~tvw by the aa similarity postulate.
d. txu~vxw by the aa similarity postulate.

Need on this one asap im almost done with this subject

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

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?