Answer:
5 houses
Step-by-step explanation:
40 × 1/8
40/8
5 houses
Answer: 2 x -1 = -2. -2 + 2 =0
3,2,9 because the factors of 18 are ... 6,9,2,3
The answer i got when i worked it out with my math teacher was C
3x^2-18+5=47
3x^2 = 60
x^2 = 20
x = 4.472 , x = - 4.472