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the average blue whale weighs 374,850 lb. the average african elephant male weighs 11,845 lb.

what is the approximate difference between the average weights of the two animals?
round the weight of each animal to the nearest ten thousand to find the answer.

Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2