Answer:
-30(3+2w)
(-9-6w) ⋅ 10
−20(4.5 + 3w)
Step-by-step explanation:
Answer:
£2.80
Step-by-step explanation:
7%= 7/100
(7/100)*40=2.8
Answer:
The first story goes to C
The second story goes to B
The last story goes to A
Step-by-step explanation:
Answer:
x^4 - 81 = 0
(x² - 9)(x² + 9) = 0
Notice that the first of these is itself a difference of two squares:
(x - 3)(x + 3)(x² + 9) = 0
So the solutions are x = 3, x = -3, x = 3i, x = -3i