Answer:
Step-by-step explanation:
<u>Add up the 3 equations and solve for s:</u>
=2.1 ×8.4×4
=70.56
kkbj
y = x - 9
the line has a slope of 1 so you do not have to include it in the equation and it crosses the y-axis at -9 so the y-intercept is -9
70% increase
