Which points are on the graph of f(x)=(1/3)^x?

select each correct answer.

a. (−1, −13)

b. (3, 27)

c. (0, 1)

d. (−2, 9)

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?

Find two consexutive odd integers such that the sum of their square is 650

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking: