Answer:
bottom left
Step-by-step explanation:
when divideing/mult by neg number, sign flips.
Answer:
77) YES , 78) YES , 79) NO , 80) YES
Step-by-step explanation:
77) 12/4=3 and 18/6=3 so YES
78) 30/6=5 and 40/8=5 so YES
79) 36/25=1.44 and 48/40=1.2 so NO
80) 15/5=3 and 13.8/4.6=3 so YES
Since

, you have


Since

, and

, you know that

is also positive, which means
Answer:
2r+10-4r+4=32
-2r+14=32
-2r= 32-14
-2r=18
R= -9
Step-by-step explanation: