68.80 because 7 is greater than 5
answers: 60, 50 and 70
step by step:
6+5+7=18
sum of angles in a triangle: 180
180/18=10
6x10=60
5x10=50
7x10=70
28.75 rounded to the nearest whole number would be 29
4(-8x+5)=-32x-26
distribute
-32x+20=-32x-26
add 32x to both sides
20=-26
false
no solution