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49. Track and Field A person who runs the 100-yard dash in
10.5 seconds has an average speed of 9.52 yards/second.
Convert 9.52 yards/second to miles/hour. (Round to the
nearest tenth.)

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.?

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?