Find the least common denominator for the following rational expressions.

(r - 1) (r - 4) (r - 5)

(r - 1) (r + 4) (r - 5)

(r - 1) (r + 1) (r - 4) (r - 5)

(r - 1) (r + 1) (r + 4) (r - 5)

Consuela earns a salary of $40,000 per year plus a commission of $1,000 dollars for each cars she sells. Write and solve and equation that shows the number of cars Consuela must sell in order to make $60,000 dollars in one year.

Angle RST measures 80 degrees. Ray SU bisects the angle. What is the measure of the two smaller angles? 20 40 80 160

Evaluate the following expression when x = 3 and y = 4: Fraction with x squared plus y cubed in the numerator and 2 plus x in the denominator. 3.6 8.6 14.6 21.6

In the morning, a cow produced 13/5 liters of milk, and in the evening it produced 3 3/10 liters more than in the morning. How many liters were milked during that day?

Jamal finishes watching a movie at 8:00pm. The movie was 2 hours and 25 minutes long. At what time did the movie start

Identify the two whole between which the product lies 5*7/10

Hannah and Francine have $120. Hannah and Peter have $230. Peter has 6times as much money as Francine. How much money does Hannah have?

Mrs. Burdell 's storage container is 3 feet long, 2 feet wide, and 8 feet tall. Can she fit 44 boxes that each has a volume of 1 cubic foot in her container ? Explain your answer.

Is 6x² + 5x polynomial

Order this set of measurements from greatest to least:2 lb; 891 g; 1 kg; 0.02 T