Solve the system by substitution x=9y and x-5=20

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.