Answer: 19.63
Step-by-step explanation:
A = pir^2 , pi*2.5^2 = 19.63
For this case, we have the following expression:
We simplify the expression:
If we add similar terms, taking into account that different signs are subtracted and the sign of the greater one is placed, we have that 
So, we have to:
Answer:
-3x + x + 5 = -2x + 5
Answer:
There's one 0.
Step-by-step explanation:
Because I multiplied it and there's only one 0.
100 seconds. The numbers on the left are seconds.
We are given with two current costs : $3,450 for tables and $3,950 for chairs .The total cost then is equal to $7,400. This is said to be 4% more than he spent last year. so last year's expenses should be <span> $7,400 / 1.04 equal to $7115.39. The cost last year is expected to be less</span>
