A sign on the roadway at the top of a mountain indicates that for the next 4 miles the grade is 9.5° (see figure). Find the change in elevation for a car descending the 4-mile stretch. (Round your answer to two decimal places.)

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

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”?