exam
Maths Puzzle
Numerical Ability
Does anyone know how to do this?
Factor completely. x^4 +x^2 -12
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exam Other Question
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?
write an equation in slope-intercept form for the line that stisfies each set of conditions.
slope -13/5,passes through (5,-7)