Rosemarie made a necklace from materials that cost $30. She is going to sell the necklace to Betty at 390% of this cost. About how much should Betty pay for the necklace? А
$12,000
B
S1,200
C$120
DS12

What’s the range cuz i can’t find it?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.