Please help and show the work please!!
1 answer:
Answer
39 - B. 31.4
40 - C. 9.8x+1.1y+9.9z
For 39, the formula for the circumference of a circle is where r is the radius of the circle. Substituting r=5 gives .
For 40, you basically just add up like terms according to which variable the coefficient is in front of.
Hope this helps.
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