Answer:
( x + 4 ) ( x + 6 )
Step-by-step explanation:
You use pi times radius squared. Pi 15 squared=706.858 then take 706.858 and multiply it by the depth of 12. 706.858×12=8482.3 Cm squared. 8482.3 cm to liters is about 8.5 liters
Answer:
(a) 
(b) 
Step-by-step explanation:
Given

Solving (a): Simplify

Open brackets

Collect Like Terms

Simplify Like Terms

Solving (b): Simplify when a = 2 and b = -1





Hence:
