Answer:
I have no idea. Umm maybe ask your mom. Or dad do either of them know math?
U could try to email your teacher.
Step-by-step explanation:
90/2 = 45 degrees twices
These both are 45 degrees which is less than 90
Answer:
27
Step-by-step explanation:
Given the expression

According to law of indices, this can be written as;

Hence the required answer is 27
Answer:
25
Step-by-step explanation:
a² + 7a + 7
a = 2
Plug in the value of 2 for every occurance of a.
(2)² + 7(2) + 7
First, solve the exponent.
4 + 7(2) + 7
Now, multiply.
4 + 14 + 7.
Add.
25
This is your answer.
Hope this helps!