Find the value of x in the triangle show below​

In the rectangle below ac=30 units what is de

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1