Given that angle 1 is a complement of angle 2 and that m angle 2 = 8 degrees , find m angle 1 . a.72° b.82° c.100° d.172°

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?