How many multiples of 3 are there between 1 and 22 that are even

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

Acircle has a circumference of 28.36 units what is the diameter of the circle

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0