Simplify. Assume all variables and radicands represent nonnegative real numbers.-2
A. 2
B. 18
C. -18
D. -2
Answer: C
Mathematics
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Provide an appropriate response.An oil burner heats air, then a fan blows it straight forward. As the distance from the burner increases, the temperature drops proportionally. When the distance is 2 m, the temperature is 78°. Find the constant of variation and solve to find what the temperature will be at 3 m to the nearest whole degree.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the area of the shaded region.
A. 140 square meters B. 155 square meters C. 145 square meters D. 40 square meters
Mathematics
Factor when possible. If the polynomial is prime, say so.x2 - x - 6
A. (x + 1)(x - 6) B. (x + 3)(x - 2) C. (x + 2)(x - 3) D. prime
Mathematics
Add.-20 + (-5) + (-15) + (-15) + 19 + (-20)
A. -44 B. 14 C. -94 D. -56
Mathematics