The table below shows the depth of a hole as it is dug over time.
time depth
(minutes) (inches) |
4.5
6 | 9.0
9
12.5 |
15 20.0
36.0
was the hole dug at a constant rate? if so, what is the constant of proportionality?
if not, how do you know the rate of digging was not constant? (asap)

What is the solution to the inequality? 6x−5> −29, a x> −4 bx> 4 cx< 4 dx< −4

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.