On a map of Chicago, 1 cm represents 100 m. Select all statements that express the same scale

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

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

Which graph represents the parent function of y=(x+2)(x-2)