1. If a 650 cm ladder is placed against a building at a certain angle, it just reaches a point on the building that is 520 cm above the ground. If the ladder is moved to reach a point 80 cm
higher up, how much closer will the foot of the ladder be to the building?
cm closer

f(x) is the value of the function. b is the value of the function when x equals zero or the y-coordinate of the point where the line crosses the y-axis in the coordinate plane.

step-by-step explanation:

hope this !

a = 3.14

b = 18

c = 18/5 or 3.6 or 3 3/5

step-by-step explanation:

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