exam
Maths Puzzle
Numerical Ability
"Your grades are 76, 90, 85 and 87. If the next grade received counts twice, what grade do you need to maintain an average of 84 in the class?"
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exam Other Question
find the x intercepts
y=x^2-3x-1
Find the surface area and volume of a cylinder with the given dimensions. Round to the nearest tenth.
1.) r=6.5m,h=15m
Thanks so much