Solve the equation.x2 + 4x - 45 = 0
A. {-9, 1}
B. {-9, 5}
C. {9, -5}
D. {9, 5}
Answer: B
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Provide an appropriate response.If there is a 15% gratuity built into a dinner check, what is the final bill on an order of a party whose food came to $124?
A. $132.27 B. $139.00 C. $142.60 D. $18.60
Solve the problem.To convert a Fahrenheit temperature to Celsius, one formula to use is 
where F is the Fahrenheit temperature (in degrees) and C is the Celsius temperature. What is the Celsius temperature (to the nearest degree) when Fahrenheit temperature is 50°?
A. 96° B. 10° C. 24° D. 122°
Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?
A. k, m, and n B. n C. l and n D. k, l, m, and n
Provide an appropriate response.If log10 2 = 0.3010 and log10 3 = 0.4771, find the value of log10 
.
A. 0.0512 B. 0.8293 C. 1.8572 D. 0.2549