What is the measure of arc bc?
a. 164°
b. 128°
c. 78°
d. 204°
e. 156°

6n^2-7n-75=0 solve by quadratic formula

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?