Answer:
use the reverse Pythagorean therm BC= 4 DE= 4.8
Step-by-step explanation:
The square root of 5(squared) - 3(squared) = 4
the square root of 8(squared) - 6.4(squared) = 4.8
Answer:

Step-by-step explanation:
Find the perpendicular slope:

-- The y-intercept is given to you: 7
Slope-intercept form:

Answer:
B: $4.50
Step-by-step explanation:
Simply subtract 5.50 from 10
10-5.50=4.50
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