Hello, the answer you are looking for is $6.35. To get the answer, first do 7.50 divided by 5, is 1.50 off the admission that is 20% off then $7.50-1.50= $6 then you do 6 divided by 100= 0.06 x 5.75 % tax you add together total will be $6.35 the answer.
I hope you understand the steps I explain.
I believe is 70 multiply 1400 times 5% and it will give you 70
√3(√6)
= √3(6)
=√3(3·2)
=3√2
B. No the product will not be rational as 3√2 cannot be expressed as a simple fraction
First find the little square (2x3= 6) then the big one is 5x3= 15 (subtract three from 6) and then add them 15+6=21
Your answer is 21 feet