Askater conducted a survey at his school. the data he collected is in the table below. if his sample was random, which conclusion below is the most reasonable based on the sample?

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

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.

Which of the following expressions are equivalent ?