Answer:
19
Step-by-step explanation:
You can divide 209 by 11, to get the number of plants per row:
310 miles ÷ 5 hours = 62 miles per hour
403 miles ÷ 62 = 6.5 hours
Answer:
a is perpendicular to both b and c; the product of the slopes a and b or a and c is -1
Step-by-step explanation:
perpendicular slopes multiplied by each other would be -1
-1/3 * 3 for a and both other lines is -1
that means a is perpendicular to both b and c
4 divided by 6 is 0.6666666667
