Answer:
substitute -10 for x and -20 for y
-10-20 / -20
-30/-20
1 1/2
Step-by-step explanation:
Given
The attached functions
Required
Find f(9)
We have:
So:
Take out means add so
320 + 450 = 770$ her new bank balance
1170 m²
Parallelogram: 40 x 18 = 720
triangle: (50 x 18) / 2 = 450
total area: 720 + 450 = 1170