BRAINLIEST AND 80 POINTS IF ALL ARE ANSWERED1 For each systems of equations below, choose the best method for solving and solve. Show your work.
a. 3x+y=24 ; -x-y=-10
b. y=-x-6 ; 3y=-18
c. y=-2x+17 ; y=8-x
d. y=x-7 ; y=x+7
e. y+2x=2 ; y=-4x+10
f. x+2y=-4 ; -4x-3y=16

Which of the following tables represents exponential functions?

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.

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate