In 2012, james a garfield high school graduated 180 seniors, which was 10% less than the number that graduated in 2011. how many seniors graduated from james a garfield high school in 2011?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.

Measure a and b and find their sum. how are the angles related?