PLEASE HELP!! :) Gilbert was thinking of a number. He doubled up it and added 5. What equation shows how to find his original number if the result was 29?

A. 2n + 5 = 29
B. 1/2n + 5 = 29
C. n + 5 = 1/2 29
D. 2n = 29 + 5

Amarathon runner jogging at a constant speed for 45 minutes is it proportional to time or not

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Which inequality has a dashed boundary line when graphed ?