Potatoes are on sale for $0.58 per pound. How much 3.5( three and a half) of potatoes cost? (as a fraction)

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Given lm, find the measure of (award brainliest)

The three sides of a triangle have lengths of 4x+3, 2x+8, and 3x-10. what is the length of the shortest side if the perimeter of the triangle is 136cm?