The point ( 2 , 1 ) is 1 of the 3 vertices of a triangle. The triangle is dilated by a scale factor of 2.5 with center of dilation about the origin, then reflected about the y -axis. What is the new x − coordinate of the corresponding vertex?

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.

What is the lcm of 16 and 40 ? 24 and 40 ?

Yo need asap pls ! markin da brainiest too !