Find the volume of a fish tank whose length is 2.8 ft, width is 2 ft, and height is 4 ft.
A 22.2 ft B 22.8 ft C 22.6 ft D 22.4 ft

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

Multiply. write your answer in simplest form. 3/8 x 5/7

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how