Answer:
a=3,b=5
Step-by-step explanation:

so as you got it:

Answer:
5 purple beads
8 red beads
4 blue beads
Step-by-step explanation:
Find the common factor of 8 5 and 10
Which is 40
8 * 5 = 40
5 * 8 = 40
4 * 10 = 40
You can use a number line to add and subtract
The answer is a. You have the correct one highlighted I believe.
Hope this helps.
Answer:
640
Step-by-step explanation:
In order of operations, do exponents before multiplying.
8 squared= 64
64 x 10=640