Brian correctly used a method of completing the square to solve the equation x2+7x-11=0. Brian's first step was to rewrite the equation as x2+7x=11. He then added a number to both sides of the equation. Which number did he add?

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

Find the cosine function that is represented in the graph.