Is my work and answer correct? the question was 4 5/6 minus 2 3/4. my answer was 2 1/12. the question was #3

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.

Based on the graph, what is the initial value of the linear relationship? a coordinate plane is shown. a line passes through the y-axis at -2 and the x-axis at 3.

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form