I believe the answer is 2
D and E
the triangle is right as it has a right angle as one of the 3 angles
the triangle is isosceles as it has 2 equal sides , indicated by the score on the equal sides and 2 equal base angles of 45°
Answer:

Step-by-step explanation:
The area of an rectangle is given by the following formula:

Where:
- Width, in centimeters.
- Height, in centimeters.
The differential of the expression is derived hereafter:




Sarah has 1 more book than 3 times the number of books Andy has. Andy has 2 books. How many books does Sarah has?
HOPE THIS HELPS! :)
Answer: 941,180.92
Step-by-step explanation: sorry if it is wrong.