A) slope is 7 for 1 and -7 for the other. These lines intersect in 1 point only
b) both equations have slope -2/3 and the same intercept, so it is really only one line...infinite solutions
c) parallel lines have 0 solutions
The volume of the mineral = increase in volume of the water whuich is 16 - 8 = 8mls.
Therefore the mineral's density = 9.6 / 8
= 1.2 g/ ml answer
The verbal expression for 7 to the third power is 343



She will take
hours or 13 minutes and 38 secs.
Answer:
$4.50
Step-by-step explanation:
$6.75 divided by 1.5 equals $4.50