Simplifying radical expressions the square root of 210

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

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.