8. In the diagram shown, line m is parallel to line n. They are crossed by transversals r and s. Finally, r and s are perpendicular to each other.
It is known that mZABE=126° as shown.
(a) What is the measure of ZDEB ? Justify.
I
E
D
F
ME
(b) What is the measure of ZDEC ? Justify.
126°
A
B
(c) What is the measure of ZBCE ? Justify.

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3