How to convert degrees minutes seconds to decimal degrees by hand?

Which shows a reasonable estimation for 124% of 42 using the distributive property?

V=x^4-y^4 pick three expressions that can represent the three dimensions of the prism (each in meters)

The function below is written in vertex form or intercept form. rewrite them in standard form and show your work. y = 5(x+3)^2-4