exam
Maths Puzzle
Numerical Ability
how do i find the squares?
(7p+6q)^2
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exam Other Question
solve the quadratic equation by completing the square
x^2 - 6x - 3=0
On a christmas package Audrey needs to use only 40-cent stamps and 16-cent stamps. If she uses twice as many 40-cent stamps as 16-cent stamps, how many of each type of stamp must she use to mail a package costing $5.76 in postage?