exam Maths Puzzle Numerical Ability

help me name this property if 4m=-15,then-12m-45

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exam Other Question

3. Write the equation in standard form, identify, and sketch.

3y^2 + 2x – 5y – 4 = 0
(Hint: complete the square in y)
Please help me with this problem, Thanks.

One common use of positive and negative exponents is in writing numbers as scientific notation. For example 0.000052 can be written as