Answer:
52 minutes
Step-by-step explanation:
it takes him 13 minutes to complete 5 so if he wants to do 20 problems do 20 divided by 5 (4) then do 13 times 4=52
Using the quadratic equation we get:

Factoring out 2 we get

Factoring out the imaginary number:

So b.
Answer:
Simplify the radical by breaking the radical up into a product of known factors.
2
√
10
Step-by-step explanation:
Answer and work is in the picture !
Answer:
Step-by-step explanation:
1. true
2. true
3. true
4. true
5. true