The last row is found by adding the first 2 rows and subtracting the third row for each colum.
last number = 7 + 6 = 13-8 =5
answer: 5
Answer:
20 and -20
20^2 = 400
(-20)^2=400 since two negative is positive
i think thats 4
a
Step-by-step explanation:
15 (rounded) 14.7 (not rounded)
