Answer:
29
Explanation:
Brake it down- 10+10=20, 20+9=29.
Answer:
True
Explanation:
The Money Market Mutual Fund Investor has low-risk, but not as low as Savings Account. However, with that, the interest payment is higher (but not by too much) then a Savings.
~
Answer:
Combustion engine
Explanation:
The combustion engine were some of the most significant and very far technologies of the Industrial Revolution. This was first presented in 1878 and was propelled by gas and air, making it unsuitable for large public use. During the Industrial Era, the combustion engine was perhaps the most efficient, both in the early years and even in the long run.
This historian would be using "research skills" at this stage of the process, since he or she has yet to determine all the facts, and therefore is unable to yet form a thesis.