Aschool conducts 27 test and 36 weeks assume the school conducts test at a constant rate what is the slope of the line that represents the number of tests on the y axis and the time in weeks on the x axis
a: 3/4
b: 4/3
c: 3
d: 4

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

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Which number line correctly shows 0.8 + 0.3?