Another question I don’t know how to do is ( by the way permutations + combination unit ) The number of 4 digit numbers are there that contain no 5’s is?

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.

Which equation represents the function on the graph?

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.