Joan asked 50 students to name their favorite color, and 10 students chose red. If Joan asks a total of 200 students, how many would you expect to choose red as their favorite color?

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?

Solve 2x+y=3 x+y=5 in substitution method

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)