12.8cm2
25.7cm2
77.0cm2
154.0cm2
179.7cm2
Correct answer is D
No explanation has been provided for this answer.
3.9 × 10-1m3
3.9 × 10-2m3
3.9 × 10-3m3
3.9 × 10-4m3
3.9 × 10-5m3
Correct answer is D
No explanation has been provided for this answer.
3.0km
12.04km
17.2km
34.18km
36.61km
Correct answer is E
No explanation has been provided for this answer.
Simplify 2a2 -4ab - 6a2 - 10ab + 5ab - 5a2
-9(a + b)
9(a + b)
-9a (a + b)
9a(a - b)
9b(a + b)
Correct answer is C
No explanation has been provided for this answer.
3 : 1 : 4
3 : 2 : 1
3 : 2 : 4
3 : 3 : 4
3 : 2 : 8
Correct answer is E
P gets 3 Q gets 2, Q gets 1 and R gets R
When Q gets 1 then P will get \(\frac{3}{2}\)
P : Q: R = \(\frac{3}{2}\) : 1 : 4
multiplying through by 2, we have
3 : 2: 8.