Check my work? calculate the total area of the space. 1 unit=5 feet. i got 302.6ft^2. i think the octagon is 170ft^2, the square is 115ft^2, and the semicircle is 17.6ft^2 but i'm unsure : /

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

Polynomial that can be factored as (3x-4)(3x+4)

You so much whoever answers with accuracy •the parent function of the graph of f(x) is the square root function, which was reflected across the x-axis. which of the following is the equation of f(x)?