❗❗❗❗ 100 POINTS AND BRAINLIEST ❗❗❗❗ ONLY CHOOSE FROM THE CHOICES explain the error A student says that the slope of the line for the equation y = 20 -15x is 20 and the y-intercept is 15. Find and correct the error. any answer that isnt helpful at all or just random guessing will be removed and removed points

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.

When you answer this can you explain

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?