What is 3/4 + 2/5

a. 23/30
b. 40/50
c.1 3/20
d. 1/50

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

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