What is the equation of the line with x intercept (-4,0) and y intercept (0,9)?

The system of equations graphed below has how many solutions?

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

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.