4-50:
the graph at the right contains the lines for y=x+2 and y=2x-1
a.) using the graph, what is the solution to this system?
b.) solve the system algebraically to confirm your answer to part (a).

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

What is the prime factorization of 230

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics