C is the midpoint of BD¯¯¯¯¯ AC¯¯¯¯¯≅EC¯¯¯¯¯ ∠ACB≅∠ECD Create a flowchart to proveΔACB ≅ ΔECD .

What is the number 321,000,000 in scientific notation? also what is the number? ?

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?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76