Triangle abc ~ triangle edc is what

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is