Please help I don't have enough brain cells for this ;-; Evaluate the expression shown below and write your answer as a fraction in simplest form. ​

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

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.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?