I need help, please so somebody help me

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?