exam
Maths Puzzle
Numerical Ability
rewrite middle term as the sum of two terms and factor completely
1.12w^2+19w+4
2.4z^3-18z^2-10z
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exam Other Question
find the next two tterms in each sequence
5, 10, 20, 40,__,__
o,t,t,f,f,s,s,e,__,__
j,f,m,a,m,__,__
1,2,6,24,120,__,__
Dana inserted eight coins, consisting of dimes and nickels, into a vending machine to purchase a Snickers bar for 55 cents. How many coins of each type did she use?
Book answer: 3 dimes, 5 nickels.