Answer:
r = 13
Step-by-step explanation:
these angles are vertical and are congruent
8r + 6 = 9r - 7
6 = r - 7
13 = r
Answer:
98 was the change in elevation
Step-by-step explanation:
Step-by-step explanation:
14d +9 <100
14d represents cost for dvds. 9 is the flat rate shipping. all must be less than 100
Answer:
178
Step-by-step explanation:
1246 over a week, (1246/7) in a day. 178 rocks a day