The figure below shows a trapezoid, ABCD, having side AB parallel to side DC. The diagonals AC and BD intersect at point O. ABCD is a trapezoid with DC parallel to AB. Diagonals AC and DB intersect at point O.

If the length of AO is three times the length of CO, the length of DC is (1 point)

three times the length of OC
three times the length of DO
one-third of the length of AC
one-third of the length of AB

it would to have a graph or something ! but i had this question so its false

step-by-step explanation:

19.

step-by-step explanation:

you add the 9 in the tens column since it is a single digit and 9 plus zero is 9 so it is 19

step-by-step explan mxfcg'k; uafwgzfgjhklhgation:

step-by-step explanation:

f(x)=2x^2 -1 

translation is a function transformation that transform the function in a way of translating. by translating the function its graph is moved  up an down. moving the function f(x) 2 units to the left will be the new function g(x) with the equation: g(x)=f(x+2)=2(x+2)^2 -1