C
D
B
A
that's the answers, from top to bottom. hope this helps!
Answer:
3 ways.
Step-by-step explanation:
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
In this question:
2 meats from a set of 3(steak, fish or chicken). So

3 ways.
Answer:
2
Step-by-step explanation:
amplitude
Answer:
2a^2
Step-by-step explanation: