The answer is -1 because a coefficient is the number in front of the variable which is -1 because there is an invisible 1 before the x
25
The triangle given by 9, unknown, and 15 and the triangle given by 15, unknown, and x are similar triangles and therefore 9:15 = 15:x
X is 25 in this case
The answer to the question is c
Answer:
what ?
Step-by-step explanation: