Answer:
Step-by-step explanation:
we have
E------>the number of sit-ups
m----> the time in minutes
S----> the number of sit-ups after drinking the sports drink
----> equation A
----> equation B
substitute the equation A in the equation B
Answer:
$28.50
Step-by-step explanation:
It declined $7.50 in 3 days then increased $4 in 2 days
Answer:
20.25
Step-by-step explanation:
Multiply base x height then divide by 2 if finding surface are if finding volume multiple base x height x width and divide by 3