Triangle GHI is dilated by a scale factor of 4 to 7 to create triangle RST. If the
perimeter of triangle RST is 28 cm,
what is the perimeter of triangle GHI?

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.