Answer:
<h3>- 6b + 21</h3>
Step-by-step explanation:
= > - 3 ( 2b - 7 )
= > - 6b + 21
<h3>Hope it helps you!</h3>
Answer:

When squaring a fraction, square both numerator AND denominator
Answer:
Is this an arithmetic sequence?
Yes.
Is there a common difference and if so, what is it?
Yes, there is a common difference : 1
The common difference is 1
Answer:
D)24 people
Step-by-step explanation:
Total number of people, x=300
Number of people donated blood with type A, y

Number of people donated blood with type B, z

⇒Number of people with Type A blood donated more than those with Type B blood= y-z=84-60= 24
Step-by-step explanation:
3
hope it helps u.......