exam
Maths Puzzle
Numerical Ability
The sum of the digits of a two-digit numeral is 8. If the digits are reversed, the new number is 18 greater than the original number. Find the original number.
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exam Other Question
Can you help me simplify
(4+8i) * (-9 + i)
Thank you
Which of these equations represent functions? Check all that apply.
A. y = (x - 2)^2 + 5
B. x^2 - 4y^2 = 1
C. y = 3x - 3
D. y = 4x^5