exam Maths Puzzle Numerical Ability

Write the equation of the line what has y- intercept (0,5) and its
perpendicular to the line with the equation y=3x+1

Please help me solve this

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exam Other Question

In 1990, 28% of babies in the United States were boren to parents who were not married. Throughout the 1990s, this increased by approx. 0.6% per year. If this trend continues in which year will 37% of babies be born out of wedlock?

thanks. 1)A Swimming pool is 50 m long and 20 m Wide . the depths of the two ends are 8m and 3m . so the Shape of the pool is trapezoidal prism . the Water surface is 1m below the top marg