-3!!!!!!!! Is the answer have fun and I hope you get this right
Answer
The expression that best shows the temperature change is 7 + 7 + 7
Answer: 
= -33
Step-by-step explanation:
-6, -9, -12, -15
The common difference is -3
d = common difference
Arithmetic sequence formula:
= 
+ (n - 1) d
= -6 + (10 - 1) -3
= -6 + 9 × -3
= -6 - 27
= -33
Answer: question one on the sheet AB + 2(CD) =16 and 2(AB)-CD=8 question 3 CD and JK have the same length question 4 EF and AD have the same length question 5 GH is different from all the lengths
question 6 its (3,4) (-1,-3) (4,-1) question 7 (-3,-1) (4,-4) (0,4) srry if im wrong on most of them
Step-by-step explanation: bc im confident
