Answer:
#5: d=22, #6:
, #7: 
Step-by-step explanation:
#5:

#6:

#7:

Answer:
Step-by-step explanation:
The ratio of boys to girls is
7
:
11
, and there are
49
boys, so therefore there are
49
7
⋅
11
=
77
girls
Total number of boys and girls in the classroom is
77
+
49
=
126
.
Answer:
I believe the answers are lower and lower. -20 is lower than -12, and -12 is lower than -3
Step-by-step explanation: