Which of the following examples best represents the use of an interval scale? a. ranking the participants of a race based on their performance b. assessing students' ratings of their professors' performance on a five-point scale ranging from poor to excellent c. measuring the number of boxes of cookies sold by scouts on the west side of a town versus those sold on the east side of the town d. naming the different brands of cars seen in a school's parking lot

Factor the expression using gcf 9b+45

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?