divide total miles by total time:
60.9 / 3.5 = 17.4 miles per hour
The equations are parallel because the slopes are opposite reciprocals, which means if you flip -3/2 and multiply by -1 you get 2/3.
Answer:
30%
Step-by-step explanation:
Percentage discount

☆ Discount= original price -selling price
Answer:
£ 2.8
Step-by-step explanation:
4 kg = 1.60
1 kg= 1.6/4 = £0.4
7 kg = 0.4*7 = £2.8
The rule for going 90 degree counter clockwise is:
(x, y) becomes (y, -x)
Therefore, the new points are:
A(-3, 1) to (1, 3)
B(-2, 2) to (2, 2)
C(-3, 4) to (4, 3)