Don placed a ladder against the side of his house as shown in the diagram below.
Ladder
20 ft
19.5 ft
X
Which equation could be used to find the
distance, x, from the foot of the ladder to the
base of the house?

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75