In XYZ, Y is 10 more than twice X. Z is 10 less than six times twice the measure of mX What is the classification of XYZ?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Is there an x intercept in the equation 60*1.15^x

The area of a circle is equal to 1 dm². find the radius of the circle.