Atree casts a shadow 10 ft long. a boy standing next to the tree casts a shadow 2.5 ft long. the triangle shown for the tree and its shadow is similar to the triangle shown for the boy and his shadow. if the boy is 5 ft tall, how tall is the tree?

a. 18 ft
b. 12.5 ft
c. 15 ft
d. 20 ft

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x