Answer: B, D, and E
0.85L
or
L-0.15L
or
L(1-0.15)
or


Step-by-step explanation:
L is the number of hours Landen spent at the beach. Mateo spent 15% less time. This means he spent 85% of it. So 0.85 times L. We can also calculate it by subtracting the difference between the two kids. - 15%. 15% is 0.15L or
. We subtract by L-0.15L or as
. This fraction can simplify to 
Triangle A is an Isosceles
Triangle B is Equilateral
Triangle C is Scalene
If the question is 5m^2 the answer is 80. And if the question is 5m2 then it is 40
It is too blurry to read it get a better camera