Hannah rolls two number cubes with the numbers 5,5,5,3,6,6 on each . what is the probability that she rolled two number cubes with an even sum . a-20 b-4/9 c-5/9 d-1/9

Need on this one asap im almost done with this subject

The function h (t) = -16t squared + 28t + 500 represents the height of a rock t seconds after it's propelled by a slingshot what does h (3.2) represent?

The bottom of ignacio's desktop is 74.5cm from the floor. ignacio's 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