If isosceles triangle ABC has a 130° angle at vertex B, which statement must be true? A) m∠A = 15° and m∠C = 35°
B) m∠A + m∠B = 155°
D) m∠A + m∠C = 60°
C)m∠A = 20° and m∠C = 30°

Which ratio is equivalent to 10: 85

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

Need so much on this one how many yards?