Help me pls with my mathh

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.