For a project in statistics class, a pair of students decided to invest in two companies, one that produces software and one that does biotechnology research. Tony purchased 53 shares
in the software company and 100 shares in the biotech firm, which cost a total of $11,538. At
the same time, Braden invested a total of $9,652 in 12 shares in the software company and
100 shares in the biotech firm. How much did each share cost?

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

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.