Daria states that the value of the expression −45x2−x+2.5 is sometimes negative. Which of the following values of x would support Daria's claim? Select TWO that apply. A
−514

B
−1.84

C
1

D
2.3

Igor stravinsky tires sells approximately 3,760,000 car tires and 1,200,000 truck tires each year. about 47,000,000 care tires and 26,000,00 truck tires are sold each year in the united states. what is stravinsky's market share in each of these two markets (cars and trucks)?

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

How can you find the magnitude of a vector, v = < x, y > , where the horizontal change is x and the vertical change is y?