If m\angle EFH=(5x+10)m∠EFH=(5x+10), m\angle HFG=62m∠HFG=62, and m\angle EFG=(18x+11)m∠EFG=(18x+11), find each measure

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.