Answer:
C and F
Step-by-step explanation:
-5^4
= -625
-5 • -5 • -5 • -5 = -625
20 cans in kilograms = 336 grams * 20 cans / 1000 = 6.72 kg
Answer:
Step-by-step explanation:
7) 2ab + 4ac = 2*a*b + 2 *2 *a*c
= 2a(b + 2c)

8) ac - a²c² = c( a - a²c)
bc - abc = c(b - ab)


9) b²+ 4b - 5 = b² + 5b - 1b - 5
= b(b + 5) - 1(b + 5)
= (b +5)(b - 1)
b² + 8b + 15 = b² + 5b + 3b + 15
= b(b + 5) + 3(b + 5)
= (b + 5 )(b + 3)


Yes u can. It is very easy