Solve the equation by completing the square. Round to the nearest hundredth if
necessary.
x2 + 10x = 18

A. -11.56, 1.56
B. 11.56,-1.56
C. - 11.56, -1.56
D. 11.56, 1.56

125 tickets were sold for the jazz band concert for a total of $1,022. students tickets cost $6 each, and general admission tickets cost $10 each. how many of each kind of tickets were sold?

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

With number 11 ( show how you got the answer)