For gym class, gracie keeps a record of how many miles she runs. for the first half of the semester she runs 23 miles, and her grand total at the end of the semester is 50 miles. how many miles did she run in the second half of the semester?
a) 27
b) 37
c) 50
d) 73

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

Pls the last one and it has to be like number 6

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.