What is 3/10 in percent

Answer this question! 30 points and brainliest! only if you know the answer.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

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.