Draw the image of ABC under a dilation whose center is P and scale factor is 3

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

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Find the missing factor. write your answer inexponential form.9^2=9^4×