exam Maths Puzzle Numerical Ability

kaylene is 30 yrs. old and jessica is 22 yrs. old. how many years ago was kaylene twice as old as jessica?

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exam Other Question

Given g(x) = 3x^2 - x + 7, find [g(a + h) - g(a)]/h.

a. 6a + 3h + 1
b. 6a + 3h - 1
c. 6a + 3h + 2
d. 6a + 3h -2
e. none of these
find the equation of the line through the two points (3,4) and (2,-1); write the equation in the slope intercept form and find the x and y intercept of the line.


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