Answer:
i 25000 cause 250×100 is 25000 ii. 100 cause 10×10 is 100
Step-by-step explanation:
about ii it didnt say anything like the quantity but thats for one tile
Answer:
y=12/5 (in decimal notation y=2.4)
Step-by-step explanation:
the value of 7y-2 = 10 more than 2y
7y-2 = 10+2y
7y-2y = 10+2
5y = 12
y = 12/5
y = 2.4
Answer:
C. 2(x + 10)(x - 10)
Step-by-step explanation:

Answer:
see in the graph, the circle has: the centre I(3; -2)
r = 3
=> the equation: (x - 3)² + (y + 2)² = 9