exam
Maths Puzzle
Numerical Ability
is the following trinomial a perfect square?
x^2+18x+81
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exam Other Question
How do I solve using a system of equations in two variables?
Three times the larger of two numbers is equal to four times the smaller. The sum of the numbers i 21. Find the numbers.
Match the expression with the correct answer. You may use each answer more than once.
A. ln e
-b. ln 1
c. log 10
d. e^0
A. 0
B. 1
C. none of the above