Answer:
7 hours
Step-by-step explanation:
715 / 13 = 55 miles per hour
385 / 55 = 7 hours
Best of Luck!
Answer:

Step-by-step explanation:
we know that
The perimeter of quadrilateral PQRS is equal to the sum of its four length sides
the formula to calculate the distance between two points is equal to

we have
the vertices P(2,4), Q(2,3), R(-2,-2), and S(-2,3)
step 1
Find the distance PQ
P(2,4), Q(2,3)
substitute in the formula




step 2
Find the distance QR
Q(2,3), R(-2,-2)
substitute in the formula



step 3
Find the distance RS
R(-2,-2), and S(-2,3)
substitute in the formula



step 4
Find the distance PS
P(2,4), S(-2,3)
substitute in the formula



step 5
Find the perimeter

substitute the values



A number is equal to 3 times a smaller number. Also, the sum of the smaller number and 4 is the larger number. The situation is graphed on the coordinate plane below, where x represents the smaller number and y represents the larger number.
c,
y=3x and y=x+4