exam
Maths Puzzle
Numerical Ability
Janet invested $31,000, part at 10% and part at 1%. If the total interest at the end of the year is $1,390, how much did she invest at 10%?
please help
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exam Other Question
Determine which two equations represent perpendicular lines.
(a) y = x - 3
(b) y = 3x -
(c) y = x +
(d) y = x -
Graph f(x)=x+2-5 Give the vertex of this V-graph
~+ means absolute value!!