When should fixed and variable monthly budgeted expenses first be planned?

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.

Three coins are flipped. what is the probability that there will be at least two tails?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4