Mercedes would like to have an average of 88 in her math class. There are five assignments with the following grades : 85, 100, 88, 80, 95. What grade will Mercedes need to make on the last assignment to meet her goal.

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?

The trigonometric ratios sine and secant are reciprocals of each other

What is the circumference of a circle with an area of 50.24 cm²?