exam
Maths Puzzle
Numerical Ability
test scores are 80 96 78 87 what does 5th test score need to be to have average of 84...how to figure this out?
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exam Other Question
A ball is thrown downward from a window in a tall building . its position at time t in seconds is s=16t^2+32t s is in feet. how long (to the nearest tenth) will is take the ball to fall 149 feet.
solve and graph the function
f(x)=-2-5
thank you