Select each statement that is true when you graph y=3cos(2x+pi)+4

The circumference of a circle is 60 pi cm3what is the radius of the circle

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

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