The scale of a port used in the drawing is 1 in. = 4ft. The actual length of the porch is 11 1/2 ft. What is the length of the porch in the drawing? Please answer ASAP!

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false