What is the missing step in this proof? A. ∠BAC ≅ ∠ACB B. ∠BDE ≅ ∠DEB C. ∠ADE ≅ ∠DEC D. ∠BAC ≅ ∠BDE E. ∠ABC ≅ ∠DBE.

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

The authors use the word “backbone” in lines 3 and 39 to indicate that

Which of the following must happen in order for productivity to increase? a. production levels remain unchanged while inputs increase. b. production levels rise while inputs decrease. c. production levels fall while inputs increase.