Which set of numbers below could be the side lengths of a triangle a. 12,15,17
b. 1,3,5
c.5,12,19
d. 7,8,20

The perimiter of a rectangle is 70 inches the legneth of the rectangle is 5 less than 3 times the width of the rectangle what is the width of the rectangle

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

Which expression is equivalent to sq-80