Inez has 20 coins consisting of dimes and quarters. how many of each type does she have if all together she has $4.10

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

State if the two triangles are congruent. if they are, state how you know?

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?