Evaluate \dfrac {15}r-1 r
15

−1start fraction, 15, divided by, r, end fraction, minus, 1 when r=5r=5r, equals, 5.

X+ y = 5 ; x - y =3 solve using linear combination

Which letters from the table represent like terms? a and b b and c a and d b and d

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол