How do I find the x - intercepts of a quadratic equation?

Atriangle has side lengths of 15 inches and 30 inches. it also has angles that measure 45º and 20º. which of the following identifies the possible third angle of the triangle? a. 15 in., 65º b. 45 in., 65º c. 17 in., 115º d. 14 in., 115º

Write the sentence as an equation. b increased by 281 is d

Explain why the factor 1.5 is broke. into two numbers in the model.