Your sister drives 60 minutes at a constant speed of 40 miles per hour. she then reaches the highway and speeds up therefore driving for another 30 minutes at a constant speed of 60 miles per hour.
a) how far did you and your sister travel altogether?
b) how long did it take?

step-by-step explanation:

. your answer will contain x - and y -terms. (1 point) x ( ¿¿ 2 − 7 ) 2 +( y 2 − 9 ) 2 √ ¿ 12. what is the distance from the directrix (the crocodile river) to the point ( x , y )? write this equation. your answer will contain a y -term.

5/12, or 5: 12

step-by-step explanation: