The speed of light is 186,000 miles per second. about how many miles does light travel in an hour? 5.2 × 10 1 miles 3.1 × 10 3 miles 1.1 × 10 7miles 6.7 × 10 8miles

What is always true when two whole numbers are subtracted?

2x minus y equals 6, x plus y equals negative 3

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