The equation for the slope of a line is:
y2-y1/x2-x1
So:
-4-1/1-2 = -5/-1 =5
The slope of the line is 5.
Answer:

Step-by-step explanation:
The perimeter is two times width plus two times length:

There is no way to simplify further.
Answer:
i think it's 37.7
Step-by-step explanation:
Answer:
The actual distance is 11.7km
Step-by-step explanation:
2cm = 1km
1cm = 0.5km
23.4cm = ?
23.4 × 0.5 = 11.7km
(Correct me if i am wrong)
Answer:
Deal B
Step-by-step explanation:
Deal A : $ 30 *10%=3 dollars
the price for 50 cupcake is 27 dollars (54 cent for one cupcake)
Deal B: 50*50%= 25 more cupcake
75 cupcake for 30 dollars ( 40 cents per cupcake)
Deal B is better than Deal A