Answer:
B, C, D
Step-by-step explanation:
4(4a + 5) = 16a + 20
Look at each answer individually.
A. 16a + 5 <u>This is not correct.</u>
B. 16a + 20 This is correct.
C. 12a + 20 + 4a = 16a + 20 This is correct.
D. 2(8a + 10) = 16a + 20 This is correct.
E. 16a + 5 + 4 = 16a + 9 <u>This is not correct.</u>
1 frequency is 1
2 is 3
3 is 4
4 is 3
last is 3
that's all I understand
hope it helped
Answer:
General equation of a line:

then express in that form:

Answer:
8000,100,20,8
Step-by-step explanation:
explantion