In the diagram below, the two vertical segments are parallel. What is the total number of degrees in angles $a, b, c, d$? [asy]
draw((5,1)--(5,7));
draw((10,1)--(10,7));
draw((1,6)--(14,2));
label("$a$",(5,5),NW);
label("$b$",(5,9/2),SE);
label("$c$",(10,42/13),NE);
label("$d$",(10,42/13),SW);
[/asy]

Pls, i need an answer to this please
I have 30 minitues for this

Avery has saved $295 to spend on christmas gifts for 11 people. which is the best estimate of the amount he can spend for each person?

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?

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