Determine the value of ′c′ that would be used to complete the square for the following equations.

A. x2+8x+c=51+c

c=

B. x2−12x+c=11+c

c=

What is the slope of the line shown below?

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years