Answer:
7
Step-by-step explanation:
g^2 =81
so, g=9
g-2=9-2=7
Answer:
450miles
Step-by-step explanation:
Because she is riding at 20 miles per houre means that she ride 450 miles in 5 houre.
Answer:
640.0
Step-by-step explanation:
Answer:
(8, 0 )
Step-by-step explanation:
under a reflection in the line y = - x
a point (x, y ) → (- y, - x ) , then
(0, - 8 ) → (8, 0 )