Answer:
amplitude = 3, period = , and frequency = 2
super sorry if this is wrong but I hope this is right
Answer: 
Step-by-step explanation:
Given
The expression is

Use identity 
Apply identity

0. 6 0 0
5 3. 0 0 0
− 0
3 0
− 3 0
0 0
− 0
0 0
− 0
0
Answer:
3
Step-by-step explanation:
Area = 1/4 * √(5(5+2√5)) * a^2
Area ≈387.11
because each bag only covers 150 we need 3 bags