What is the step by step process of adding and subtracting matrices

You are responsible for designing a new city. you are inspired by pierre charles l'enfant, who laid out the streets of our nation's capital. numbered streets run north and south, and lettered streets run east and west. avenues are named after states, and they intersect the streets on a diagonal. the streets are parallel and the intersections form similar triangles. 18th st. is 454 meters long and the intersection of 18th and k st. is 207 meters from connecticut ave. if 19th st. and k st. is 385 meters from connecticut ave., what is the length of 19th st.?

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1