Answer:
yes
Step-by-step explanation:
This is in the third quadrant where the tangent of the angle is positive
tan pi/4 = 1 = y/-1 so y = -1
The required point is (-1,-1)
Answer:
Step-by-step explanation:
Remember that

we know that
The sales from the previous month were $152,850
This amount represent the 100%
so
Find out what were last months sales, multiply the sales from the previous month by the factor 1.12
Answer:
<u>12.2</u>
Step-by-step explanation:
100 - 20% = 80%, 80% - 5 = -42, -42 - 8 = <u>-12.2</u>
1st. x times 20+100
2nd. 100+20x
3rd. 100+x times20
4th. 20x+100
5th. x20+100