Answer:
Sorry but u need another photo i can't see
Answer:
7⁴ is 2401
1⁵ is 1
Step-by-step explanation:
7x7x7x7 is 2,401
1x1x1x1x1 is 1
The awnser to 60 x 20 is: 120
The linear equation in slope intercept form: y = mx + b.
We have:

This is not a linear equation.
Answer:
Part 4) 
Part 5) 
Part 6) 
Step-by-step explanation:
Part 4) Find ER
we know that
In the right triangle ERF
Applying the Pythagorean Theorem

substitute the given values

solve for ER


Part 5) Find DF
we know that
In the right triangle DRF
Applying the Pythagorean Theorem

substitute the given values


simplify

Part 6) Find DE
we know that
----> by segment addition postulate
we have

substitute
