What is the value of b in the equation below?
9-8.9-2-a
0-10
O -6
09
O 16

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?