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Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Which of the following transformations will always produce a congruent figure?

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m