Francis is 9 years older than vincent. francis is 17 years old. let v represent how old vincent is.

which equation shows an equality between two different ways of expressing how old francis is?
a. v + 9 = 17
b. v – 9 = 17
c. v x 9 = 17
d. v/9=17

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?