Mary and Roberto bought identical backpacks at different stores. Mary's backpack originally cost $65 and was discounted 25%. Rob
1 answer:
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Answer:
Part A: -3/7
Part B: y = -2
Step-by-step explanation:
Parallel lines have the same slope. Find the slope of CD. Then substitute it to find the value needed for AB.
The slope formula is
Use the same formula and solve for y.
9514 1404 393
Answer:
C. 18 inches
Step-by-step explanation:
The median of a trapezoid is the line segment that joins the midpoints of the sides of the trapezoid. It is halfway between the parallel bases, and is parallel to them. It length is the average of the lengths of the two bases:
(15 +21)/2 = 36/2 = 18 . . . . inches
