exam
Maths Puzzle
Numerical Ability
A trolley car track rises vertically 50 feet over a horizontal distance of 720 feet. What is the angle of elevation of the track?
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exam Other Question
2[18-(5+3^2)/7]
we are doing the (pemdas) i'm not sure what to start with first do idivide or mulitply first
Solve 3x^2 - 7x - 13 = 0.
And, then find the x-intercepts of f(x) = 3x^2 - 7x - 13
Thank you.