a number cube from 1-6 is rolled 30 times and lands on an even number 18 times. what is the probability that it lands on an even number?

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided