Answer:
1) 4
2)I think 2
3)4
4)3
5)2
6)1
7)3
Step-by-step explanation:
1) since the x is to squared it is a quadratic equation
3) A and D have same slope=0.5
others were solved using Excel
Answer:
C.
Step-by-step explanation:
6≤x<21
Answer:
Cos (5π/3)
Cos (π/6)I think this one
Answer:
Step-by-step explanation:
x-11
