Step-by-step explanation:

Value 1:
r = 5ft, h = 10ft. Substitute:

Value 2:
r = 2in, h = 4in. Substitute:

Value 3:
r = 6m. Substitute:

The answer is C
expand the equation then you will get 3-10x-5=9+3x, simplify you get 13x=-11
Answer:
(A)
Step-by-step explanation:
Given the trend line which goes through (2, 79) and (12, 24).

The equation which can be simplified to find the slope of the trend line in the scatterplot is 
The correct option is A.
Answer:
It's height is 2.35 * 11 = 25.85 cm
Hope it helps..
The probability would be 50 percent because there are 3 gold watches and 3 silver watches.