Two standard dice are rolled. what is the expected number of 1's obtained? express your answer as atwo standard dice are rolled. what is the expected number of 1's obtained? express your answer as a common fraction. common fraction.

15/16 as a decimal rounded to the nearest hundredth

3x + 4y = 5 x- 3y = -7 solve by substitution

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.