Evaluate the function f(x) = -4x + 9 when x = 3. Round to the nearest tenth when needed.

Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?

Describe the relationship between the angles of similar triangles and the sides of similar triangles

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42