Answer:
Step-by-step explanation:
Answer:
The fourth choice.
Step-by-step explanation:
Because since 90 miles is basically counted as your first day, you do the number of days, n, minus 1 and then multiply it by 5 to find the number of miles walked after the first day. Then you add it to 90.
Answer:
Each kid will get 2.5 submarine sandwiches
Step-by-step explanation:
Answer:
28.26
Step-by-step explanation:
The formula for calculating diameter is π<em>d</em> (pi times the diameter), so 3.14 times 9 is 28.26.
Answer:
z=12
Step-by-step explanation:
divide by 1/2 to get the variable z by itself