What is the value of this expression? 2(17 + 6) – 4
(A
36
B
42
C с
19
D
38

Plz heeeeeeelp plz give me the answer

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )