Ages Number of students 15-18 4
19-22 5
23-26 6
27-30 7
31-34 4
35-38 10
Based on the frequency distribution above, find the cumulative frequency for the class with lower class limit 31
Cumulative Frequency =
Give your answer rounded to one decimal place

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.?

How do you find the area of a triangle

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?