exam
Maths Puzzle
Numerical Ability
Add 3c^2 + 7c + 1 and 10c^2 - 8c - 4.
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exam Other Question
how do you determine whether the graphs of the equation are parallel lines
1. 3x-4=y
y-3x=8
Billy has two-thirds as many marbles as Tommy. Jimmy has three-eighths as many marbles as Billy. Together Jimmy and Billy have eight fewer marbles than Tommy. How many marbles does each boy have?