One fifth of the text messages Nancy sends are to her family. She sends an equal amount to her mom dad and sister. What fractions of all the text messages she sends to go to her sister?

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1