For f(x)=2x+1 and g(x)=x^2-7, find (f-g)(x)

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

In july, the average temperature in one us city was 29°c. by december, the average temperature had fallen by 29°c. explain why the average temperature in december was 0°c.