The age of a mother is three times the age of her son. If the difference between their ages 20 years find their present ages.

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If 1 km = 0.621 miles, how many miles are in a centimeter

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Deepak plotted these points on the number line. point a: –0.3 point b: – 3 4 point c: – 11 4 point d: –0.7 which point did he plot incorrectly?