You are conducting a left-tailed test of a claim about a population mean when sigma is known . If
α
=
.10
, find the critical value, to two decimal places.

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?