Write a rule to describe the transformation of D (-5, -3) E (-7, -6) F (-9, -7) to D' (-5, 3) E (-7, 6) F (-9, 7)

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Renee hiked for 6 3 /4 miles. after resting, renee hiked back along the same route for 5 1 /4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.