exam
Maths Puzzle
Numerical Ability
(X+4) (x_1)=-5X-4
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exam Other Question
Simplify the following expressions. Write the answers with positive exponents only.
(x²)-³(x-²)
__________
(x²)^-4
please help me to solve
Pencils cost 25 cents apiece. Pens cost 80 cents apiece. Susan spent $20 for a total of 36 pens and pencils. How many pencils did she buy?
thank you!