The total cost of 2 identical files and 1 pen is $19.05. The total cost of 3 such files and 5 such pens is $44.50. Find the cost of 1 pen.​

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.