Answer:
55 for 1 min
110 for 2 min
165 for 3 min
4%
Step-by-step explanation:
No, yes, no, yes
Lines are only perpendicular if their gradients multiply to -1.
Answer is 45.
6^2+3^2=
(6x6)+(3x3)=
6x6=36
3x3=9
36+9=45
answer is 45
