5. when using order of operations to evaluate an algebraic expression, first:

a. multiply or divide

b. evaluate all exponents

c. simplify expression inside parentheses

d. do all additions and subtractions from left to right

4. in the above expression, the arrow is pointing to the 5 which is referred to as:

a. exponent

b. base

c. power

d. cube

The equation respenting the left table is

Find the roots of the equation below. x^2 - 6 + 9 = 0

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem