If i have the angle and hypotenuse how to find the other sides

To ? nd out how many students are unhappy with the dining hall food, you distribute a survey. which method of surveying would produce the least amount of bias in your data?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.