Answer for Part A:
Elena makes more money than Jada does. Elena makes $1.40 more than Jada does.
Explanation for Part A:
The equation for Elena tells us that she makes $8.40 per hour. Jada makes $7 an hour. Since 8.4 > 7, Elena makes more money than Jada per hour
<span>Orthocenter is at (-3,3)
The orthocenter of a triangle is the intersection of the three heights of the triangle (a line passing through a vertex of the triangle that's perpendicular to the opposite side from the vertex. Those 3 lines should intersect at the same point and that point may be either inside or outside of the triangle. So, let's calculate the 3 lines (we could get by with just 2 of them, but the 3rd line acts as a nice cross check to make certain we didn't do any mistakes.)
Slope XY = (3 - 3)/(-3 - 1) = 0/-4 = 0
Ick. XY is a completely horizontal line and it's perpendicular will be a complete vertical line with a slope of infinity. But that's enough to tell us that the orthocenter will have the same x-coordinate value as vertex Z which is -3.
Slope XZ = (3 - 0)/(-3 - (-3)) = 3/0
Another ick. This slope is completely vertical. So the perpendicular will be complete horizontal with a slope of 0 and will have the same y-coordinate value as vertex Y which is 3.
So the orthocenter is at (-3,3).</span>
Answer:
a and c
Step-by-step explanation:
$63.54 is the price after the discount and tax
A = cost of 1 drink $12.75 + 4a $12.75 + $12.00 = $24.75
