Celene needs to buy icing to frost some cupcakes. she writes the rule 0.1c = i to model her situation.

in her rule, c represents the number of cupcakes, and i represents the total amount of icing she will need, in ounces.

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 quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Which expression is equivalent to 2x^2+7x+4?