Answer:
x=1
Step-by-step explanation:
×(-25)= -25
-25x = -25
-25x/-25 = -25/-25
x= 1
Answer:
x = ± 
Step-by-step explanation:
Given
5 - 2x² = - 15 ( subtract 5 from both sides )
- 2x² = - 20 ( divide both sides by - 2 )
x² = 10 ( take the square root of both sides )
x = ± 
Answer:
The ways in which he can make selection = 
Step-by-step explanation:
Student is having a list of
books.
Assuming that the student can't read the same book twice.
The student has
choices to make for an outside reading requirement,for his 1st choice, he had
books to choose from; for his 2nd, he has
books left to choose from therefore the total permutations of his choices are 
So the total ways in which the student can make his selection = 
Answer:
Letter C
Step-by-step explanation:
Given:

Subtract 18 from both sides

Divide 5 from both sides to get
alone

Letter C is the correct answer choice because the dot is at -9, the arrow is facing to the left, and the dot is open indicating that it's not greater/less than ""or equal to"".
Hope this is helpful
Answer:
Correct answer is A. plz brainly me & i hope this helps :) !