A = 7 and x = -5
-a + 3x = -(7) + 3(-5) = -7 -15 = -22
Answer: -22
Answer: 52.34
Step-by-step explanation: sin23=opposite/hypotenuse=x/125
sin23/1=x/125
125sin23=x
x=48.841391... add 3.5 = 52.341391... round to 52.34
YOU DID NOT ATTACH ANY FILES type the question in the comments
Remember,

, where

is circumference and tex]d[/tex] is the diameter. They are related by a constant

(pi).
We can solve the above equation for d and then substitute our known values.

Answer:
10-x
Step-by-step explanation:
The difference of 10 and x is subtracting x from 10