Calculate the value of the following irrational number: 19pi
(Use 3.14 for tt)(Round to the nearest hundredth)

Find the value of x for which line a is parallel to line b

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?