I need help please help me who ever gets it right gets brainlest

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.