Answer:
When x =1, y = 3(1) + 4 = 7
When x = 2, y = 3(2) + 4 = 10
When x = 3, y = 3(3) + 4 = 13
The temperature was -12 degrees
Answer:

Step-by-step explanation:
when solving and equation with a variable, you must work backwards and do the opposite of the equation
sooo… you must subtract 4 (opposite of +4 is -4)

x=12
Answer:
r = 2
Step-by-step explanation:
= 4r-4
square root both sides
r =
4r-4
r = 2r-2
2r-r = 2
r = 2
9/6 = 1.5
24/1.5 = 16
triangle DEF has a primeter of 16 inches