Which set of side lengths form a right triangle?

a) 3ft, 6ft, 5ft
b) 15m, 20m, 25m
c) 7cm, 8cm, 10cm
d) 10in, 41in, 40in

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Select a graph that have an equation with a < 0

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary