What is the first step to 7(x – 4) = 84.

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions