The tallest student in the Freshman class is 2.1 m high. When Mr. Langston stands far away from the student, his line of sight to the top of the student's head forms an angle of elevation of 18 degrees with the ground. What is the horizontal distance between the tall student and Mr. Langston? Round to the nearest meter.

Which value would be a solution for x in the inequality 47-4x< 7

Select all the correct locations on the table. consider the following expression. 76.493 select "equivalent" or "not equivalent" to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column equivalent not equivalent 343 equivalent not equivalent 49 78.498 78.498 75.493 equivalent not equivalent 75.7 equivalent not equivalent

For the inequality |c| < |d| to be true, which of the following must be true?