73/30 is how fast he walked in 3 hours
1. it is right-angled triangle because it has a 90 degree angle.
Answer:
C, D, E
Step-by-step explanation:
l×w×h
Length and width are n
Height is 6
Plug them into the equation, the order can be changed. Also, n^2 is the same as n×n. Hope this helped you.
Answer:
x=13 feet
Step-by-step explanation:
A ramp is between 1.96 and 1.80 feet, we will take 1.96
and R(x)=1.96 feet: we apply quadratic formula; 
, where a=-0.05, b=0.8 and c=-1.96, so
solving 
; we take the highest value of x, x=13
