This is C. cos Z = sin (90 - Y)
Answer:
5x² - 20x
Step-by-step explanation:
multiply each term in the parenthesis by the 5x outside
5x(x - 4)
= (5x × x ) + (5x × - 4 )
= 5x² + (- 20x) = 5x² - 20x
1099 square inches hope this helps
In order to solve for r you have to place all the number in one side. then isolate r ...... r=1
16
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