Abcd is a triangle. angle c is 150°. side ac is 12, bc is eight. what is the area of the triangle

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?