Answer: X= 6 or X=-4
Step-by-step explanation:

Answer:
x = 10
Step-by-step explanation:
∵ Both angle ∠A and are corresponding angles.
∠A = ∠B
9x - 40 = 3x + 20
9x = 3x + 20 + 40
9x - 3x = 20 + 40
6x = 60
x = 60/6
x = 10
∴ x = [10]
Answer:
y = -2x + 5
Step-by-step explanation:
Answer:
110 cm²
Step-by-step explanation:
The area of a triangle is 1/2 times base times height.
A = 1/2bh
A = 1/2(22)(10)
A = 110