exam
Maths Puzzle
Numerical Ability
Factor completely.
16x^2 - 2x - 3
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exam Other Question
Lane invested $22,000, part at 8% and the other part at 7%. If the total interest at the end of the year is $1,710, how much did she invest at 8%?
Please help!
Find the focus and the directrix of the parabola 16x^2 = y.
Thanx!