Four equations are graphed on the coordinate grid: В.
c
D
A
-10-9
8-7 -6374
21
Which set of equations has (-3,0) as its solution?

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?

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.