True because tan(20)=2.1 and cot(20)=is o.44
answer: 60
age difference is 30 years
10x4=40
40-10=30
when she is 30 he will be 60 because 30(her age) + 30 (age difference) = 60
Answer:Wish i could help, but I'm just as confused.
Step-by-step explanation:
