Which statement is true about this reaction? Superscript 14 subscript 7 upper N plus superscript 1 subscript 1 upper H right arrow superscript 15 subscript 8 upper O.

a
Its product is heavier than each of its reactants.
b
It is a practical source of energy on Earth.
c
It occurs only outside the solar system.
d
It shows the critical mass of an element.

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "

What is the distance between the points (2, 5) and (5,9)?