Which of the following is a composite number?
a. 29
b. 91
c. 13
d. 139

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.

The first triangle is dilated to form the second triangle. select true or false for each statement. statement true false the scale factor is 0.625. the scale factor is 1.6. a right triangle with a side length of .5. an arrow points to a larger right triangle with a side length of .8