What is the next number 5, 10, 30, 60, 180, __

What is the y-intercept of the graph of the equation y=3(2^x)

Assume cd | ab are parallel. find m2. a) x= 50° (b) x = 70° c) x = 30° d) x = 60

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable