Answer:
Rotation of a point through 180°, about the origin when a point is rotated about the origin through 180° in anticlockwise or clockwise direction, it takes the new position
Step-by-step explanation:
If you go from point (-1, -3) to point (4, 4), you can find the slope of the line using the slope formula.

. So our slope is 7/5. The line goes through the y axis at -3/2, so putting that together we get an equation for the line that is

, choice D from above.
Answer:
The teachers have more combined siblings than the students.
Select 3 what?
Step-by-step explanation:
Answer:
84 
Step-by-step explanation:
find the area of each shape and add them together
Answer:
t = 1/2 hour
Step-by-step explanation:
20480 = 80
20480 = 80
20480/80 = 
256 = 
x = 4
doubling period
2 = 
t = 1/2 hour