exam Maths Puzzle Numerical Ability

what is the prime factorization for 68? and the factor tree.

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exam Other Question

determine the equation of each line. Write the answer in standard form using only integers as the coefficients.

The line through (-2,0) with slope -3/4. (the negative sign next to the 3/4 is in the middle of the 3 and 4 next to the divide line) Explain the errors in the following. (square root)x^2-25=(square root)x^2-(squae root)25 = x-5.