Find the product and simplify.
? 
A. 
B. 3
C. 
D. 9
Answer: B
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Rita jogs for 8 miles and then walks an additional 11 miles. She jogs at a rate twice her walking rate and she covers the entire distance of 19 miles in 3 hours. Find the rate she jogs and the rate she walks.
A. 10 miles per hour jogging and 5 miles per hour walking B. 6 miles per hour jogging and 3 miles per hour walking C. 6 miles per hour jogging and 7 miles per hour walking D. 20 miles per hour jogging and 10 miles per hour walking E. 14 miles per hour jogging and 7 miles per hour walking
Solve the exponential equation 
algebraically. Approximate the result to three decimal places.
a. 
b. 
c. 
d. 
Solve the equation by completing the square.-x2 + 2x = -1
A. {1 ± 
}
B. 
C. {-1 ± 
}
D. {1, 2}
Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 3 B. x = 0.75 C. x = 1.3 D. x = 30