exam Maths Puzzle Numerical Ability

how do i plot a parabola on a graph using the quadratic equation?

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exam Other Question

A box contains ten $1 bills, six $5 bills, and four $10 bills. A person is charged $5 to select a bill. What is the expected value?

a. -$1
b. $1
c. -$2
d. -$1.50 46. A principal of $5000 was invested in a savings account for 4 years. If the interest earned for the period was $400, what was the interest rate?
A) 1%
B) 1.5%
C) 2%
D) 2.5%
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