Given: Triangle RST has coordinates R(-1,7), S(3,-1), and T(9,2) Prove: ARST is a right triangle [The use of the set of axes below is optional.]

For what values of b will f(x)= logbx be a decreasing function? (16 )

Avegetable garden and a surrounding path are shaped like a square together are 12 ft wide. the path is 1 feet wide. if one bag of gravel covers 8 square feet, how manu bags are needed to cover the path? round your answers to the nearest tenth.

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet