Ester bought 2 1/2meter telephone cord and a 45 cm internet cord. How many centimeters of cord does she have in all?

The perimeter of a rhombus with a side of 6 is 24

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !