exam
Maths Puzzle
Numerical Ability
At 10:00 a.m. planes leave an airport. If the northbound plane flies at 280 mph and the southbound at 320mph, at what time will they be 1,000 miles apart?
Read Solution (Total 0)
exam Other Question
Please help me to solve this equation:
99wsquared+xcube-81xraised to the 4th power+63w/9wx
Thank you
If f(x)=x^4-x+2, then f(-x)=
This is the problem and I cannot find the answer.