Answer:
4
Step-by-step explanation:
y-7=21
+7 +7
y=21+7
y=28
X/4 +x/5 -x/6=1
make the denominator the same:
15x/60 +12x/60 -10x/60=1
17x=60
x=60/17=3.53 hours
the second choice is the correct answer.
Answer:
s
Step-by-step explanation:
Here are the answers:
1) C
2) A
3) D
4) B
Answer:
This is only true with a cube
Step-by-step explanation:
Only a cube has 6 equal faces of equal size.
I can't really put a diagram here so i hope that explanation helped!
Stay safe! <3