Answer:

Step-by-step explanation:
Use formula

to convert Celsius to Fahrenheit.
When
then

When
then

Difference:

2. 83 R 2
3. 82 R 1111 etc
Answer:
y = 3x
Step-by-step explanation:
Given
9x - y = - 6x + 4y ( subtract 4y from both sides )
9x - 5y = - 6x ( subtract 9x from both sides )
- 5y = - 15x ( divide both sides by - 5 )
y = 3x
Answer:
Length: 12
Width: 2
Area: 24
Step-by-step explanation:
We first find the points of C and D to find the length.
C: (-4,-5)
D: (2,-3)
The distance is 2
.
Now for the height.
A: (2,9)
D: (2,-3)
The distance is 12.
Area: 2
×12 = 24
Answer: r>13
Step-by-step explanation:
The sign is less than so r +8 has to be 20 or less.