4/5 - 3/7 = plsss help i am struggling i am in 5th grade in i am doin mathematics fractions in my math class

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?

The vector matrix [2/7] is dilated by a favor of 1.5 and then reflected across the x axis. if the resulting matrix is [a/b] then a= and b=

What is this equation in point-slope form?