Complete the number pattern

1, 2, 1, 3, 1 ,

Venus is about 108 kilometers from the sun. saturn is about 109 kilometers from the sun. about how many times farther from the sun is saturn than venus?

Which of the following is the equation of a line that passes through the point (1,4) and is parallel to the x-axis a. y=1 b. y=4 c. x=1 d. x=4

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle