Answer:
15cm
Step-by-step explanation:
- c2=a2+b2 thus do the math and 15 comes
Answer:
457,909
Step-by-step explanation:
-3358 from 461,267 and it gaves you 457,909
so 457,909 + 3358 = 461,267
4 feet is 48 inches.
So 4'2" would be 50 inches.
50/5=10
The class needs to make 10 tiles.
Answer:
and 
Step-by-step explanation:
Options

Required
Select the unit rates
Unit rate involve two items where the first item being measured can be any positive number, but the second item must be measured in units (i.e. 1)
For clarity:
If
represents unit rate, then 
Having said that:
Only
and
satisfy the condition of unit rates; others are not because they have a denominator other than 1
83, 74, 65, 56,47,38,29,20,11,2,etc
hope this helps