Zach time of reading every weekend forms a sequence with these terms: 10, 20, 40, 80. On the other hand, that of Victoria forms a sequence with terms: 35, 50, 65, 80. By keenly observing the sequences, Zach's sequence is a geometric sequence with a common ratio equal to 2 and Victoria's sequence is an arithmetic or linear sequence with a common difference of 15. Thus, the answer is letter B.
Answer:
5 cm
Step-by-step explanation:

999999999999999999999999999999Answer:9999999999999999999 poppplygojhyijjuhhnnjnnnjjndjbjkghdhhghbenhdjgetpodjfhdj
Step-by-step explanation:
Answer: 20
Step-by-step explanation:
4+4 5+5 6+6 7+7 8+8
4+5 5+6 6+7 7+8 8+9
4+6 5+7 6+8 7+9
4+7 5+8 6+9
4+8 5+9
4+9