exam Maths Puzzle Numerical Ability

What is the equation of the line passing through (-3, 7) and perpendicular to -7x-8y=77?

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exam Other Question

Write the equation of the line through (44, 46) that is perpenducular to the x-axis. the volume of a cube is a function of the length of a side of the cube. write a function for the volume of a cube. find the volume of a cube with a side 13.5 cm long.