Solve the problem.Given the area A of a circle, the formula r = 
can be used to calculate the radius of the circle. Find the area when the radius is 7.7 cm.
A. A = 59.29 sq cm
B. A = 61.15? sq cm
C. A = 59.29 ?2 sq cm
D. A = 59.29? sq cm
Answer: D
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Find the volume of the indicated region.the region that lies under the plane 
and above the square 
A. 
B. 
C. 
D. 
Solve.The electrical resistance of a given length of wire is inversely proportional to the square of the diameter of the wire: 
= 
.If a certain length of wire with a diameter of 41.759 mils has a resistance of 8.475 ohms, what is the resistance of the same length of the same composition wire with a diameter of 30.979 mils?
A. 11.285 ohms B. 7.855 ohms C. 15.399 ohms D. 16.407 ohms
Solve.A farmer sells 7000 bushels of corn for $3.40 a bushel. How much did the farmer receive?
A. $238,000.00 B. $252,000.00 C. $23,800.00 D. $25,200.00
Provide an appropriate response.2x + 3y = 14x + 2y = 5What number would you multiply the top equation by to eliminate the x terms?
Fill in the blank(s) with the appropriate word(s).