PEMDAS
Multiplication: 2 + 5 - 18=
Addition: 7-18=
Subtraction: -11
Answer=-11
Answer:

Step-by-step explanation:
Given

To express as a rational number with 91 on the denominator.
91 ÷ 7 = 13
Thus multiply the numerator and denominator by 13, that is
= 
Y=x-4
x=y+4
y=-3(y+4)
y=-3y-12
4y=-12
y=-3
x=1
Answer:
60 degrees
Step-by-step explanation: It's hard and I might not be right, think through it and if you get what I got then submit it, I don't want the blood of failure in my hands >:D gl homie
Answer:
by graphing it
Step-by-step explanation:
Identify one hormone produced by an endocrine gland and state how it aids in the maintenance of homeostasis.