how would you solve if you had to solve area of a trapezoid the first side had 4yd then 5yd 9yd and 3 1/2 find the area for 6th grade

This is different from the first one can someone me

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

Select the two pairs of figures that are similar.