At the bank of a river, by measurement, a = 9 ft., b = 15 ft., c = 12 ft., and d = 7 ft. how long is x?

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

State if the two triangles are congruent. if they are, state how you know?

Aliter of water contains about 3.35 x 10^25 molecules. a certain river discharges about 2.9x 10^8 l of water every second. about how many molecules does the river discharge every minute? write your answer in scientific notation