Asia is designing a triangular-shaped window with a height of 15 inches in a area of 135 in.² what is the length of the base of the window

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c