exam
Maths Puzzle
Numerical Ability
A type of steel sheet weighs 3.125 lb per square foot. What is the weight of a piece measuring 24 in. by 108in.? (Hint: Be careful of units.)
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exam Other Question
Use substitution or elimination to solve each system of equations. Please explain.
7. 2x + 5y=16
5x - 2y= 11
What are three quadratic equations with a,b and c (coefficients of x^2,x and the constant.
using
1. Integers
2. Rational numbers
3. Irrational numbers