How many triangles you construct with a three 60º angles and one side measuring 4 in.?
a. 0
b. 1.
c. 2
d. an infinite number

Can you simplify 4/7? 24 points will be awarded!

The verbal translation for the difference of m and 7 increased by 15

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?