Please help me the is. question is Scientific discoveries made improvements in society possible.

New styles in art focused on the hard reality of industrial life.

Journalists' stories from the South convinced people that slavery was evil.

New religious ideas focused on people's ability to improve themselves and others.

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.