A wire 69 centimeters long is cut into 3 pieces of lengths x centimeters, y centimeters and z centimeters. If x: y= 2:5 and x is 3 times as long as z, find: x, y and z and the values for x, y and z

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

How many terms does the polynomial x^2 y^2 have

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9