which pair of angles has congruent values for the sin x° and the cos y°?
a) 40°; 140°
b) 40°; 80°
c) 40°; 50°
d) 40°; 40°

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

An angle that measures between 90 and 180° is called a(,

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?