Please help it’s due today What is the equation of the line in point-slope form that passes through the point (7,-4) and has a slope of 1/2 ?
a. y+ 7 = 1/2 (x – 4)
b. y-7= 1/2 (x + 4)
c. y - 4 = 1/2 (x + 7)
d. y+4 = 1/2(x - 7)

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

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.