Solve the problem. Approximate to the nearest tenth when necessary.The area of a circle is 65? square centimeters. Find the radius of the circle.
A. 65 cm
B. 4.5 cm
C. 8.1 cm
D. 14.3 cm
Answer: C
Mathematics
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Solve.A weather forecaster has predicted a high temperature of 11°C for tomorrow. Convert this temperature to degrees Fahrenheit, rounding to the nearest tenth.
A. 25.9°F B. 51.8°F C. 38.1°F D. 12.2°F
Mathematics
Perform the indicated operation and write the answer in the form 
where a and b are real numbers.5i(2 - 8i)
A. 10i + 40i2 B. 10i - 40i2 C. 40 + 10i D. 10i - 40
Mathematics
Determine the most appropriate metric unit to go in the blank. Choose from km, m, cm, mm, L, mL, kg, g, and mg.She took 550 
of vitamin C.
A. g B. mm C. kg D. L E. mg
Mathematics
Solve the equation and check the solution.
x + 
= - 
x - 
A. x = - 
B. x = - 
C. x = 
D. x = - 
Mathematics