The lengths of the sides of a triangle are ​9, 12​, and 14. Classify the triangle as​ acute, right, or obtuse.

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.

Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?