Find the sum of
−
3
x
2
−
4
x
+
3
−3x
2
−4x+3 and
2
x
2
−
x
+
3
2x
2
−x+3.

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost