Solve by using the square root property.-5x2 = -35
A. 8
B. 7, -7
C. 
D. 
, - 
Answer: D
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Solve the problem.Evaluate 
by transforming to cylindrical or spherical coordinates.
A. 
?
B. 
?
C. 
?
D. 
?
Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. 120 B. 248 C. 340 D. 24
Use the quotient rule to simplify the expression. Write the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 
B. y11
C. 
D. 
Solve.Suppose that we want to measure the magnitude of an earthquake. If an earthquake has a shock wave x times greater than the smallest shock wave that can be measured by a seismograph, then its magnitude R on the Richter scale is given by the equation R = log x. What is the magnitude of an earthquake that has a shock wave that is 123,000times greater than the smallest shock wave that can be detected? If necessary, round to two decimal places.
A. 5.09 B. 0.09 C. 0.2 D. 11.72