What number is in the middle of 25 and 50?

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.

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is