exam
Maths Puzzle
Numerical Ability
Can you please help me with this? I have no idea how to work these.
(3x squared - 7x + 5)+(-2x squared + 7x - 8)
(5y squared - 3y + 4)-(3y squared - 7y + 2)
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exam Other Question
The Computer Club invested $2200, part at 4.5% interest and the rest at 7%. The total annual interest earned was $144. How much was invested at each rate?
How do I set up this problem?
Please help!!!!!
1) Number Problem: Find two consecutive positive integers such that the sum of their squares is 85.
2) 2x^2-5x=3
3) 3x^2-2x+1=0
4)Construction: A gar