-1/3. Use the formula x1-x2/y1-y2
Answer:
9
Step-by-step explanation:
45 Cookies... 5hrs
? cookies... 1 hr
45 ÷ 5 = 9
9 cookies per hour
1. 1st transformation is translation the parent function
6 units to the right to get the function 
2. 2nd transformation is reflection the function
over the x-axis. This transformation gives you the function 
3. 3rd transformation is vertical stretch of the function
by a factor of 2 to get the function 
Only last two are present in options, then
answer: C and D.
The trapezoid has one pair of parallel sides.