The standard normal curve shown here is a probability density curve for a continuous random variable. this means that the area underneath the entire curve is 1. what is the area of the shaded region between the two z-scores indicated in the diagram?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).