CAN SOMEONE PLEASE HELP ME WITH THIS!?!??! IM SUPER CONFUSED BUT IF YOU GET IT RIGHT, ILL GIVE YOU BRAINLIEST, GIVE A THANKS, AND RATE YOUR ANSWER 5 STARS (15 POINTS USED)

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.

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Mrs. sling bought a pound of green beans for $1.80. how much will mrs. tennison pay for 3 1/2 pounds of green beans?