The ratio of boys to girls on the bus is 20/15. find three ratios equivalent to the described ratio

The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.

This question awards 100 ! i really don’t want to fail i will also mark you !

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z