Number

If 2x + 3 = 8, what is the value of x?

2. 2. If you add 0.17, 0.23, and 0.34, what is the answer rounded to the nearest tenth?

3. 3. Which of the following is equivalent to 6 million multiplied by 4 billion?

4. 4. Kim earned an 85% on a test that had 40 questions. How many questions did he miss?

5. 5. How many one digit whole number positive factors does 12 have?

6) $$67.2+54.15+16\frac{2}{5}=???$$

7) An organic cow produces $$5\frac{1}{2}$$ gallons of milk per day, which equates to approximately 90 glasses of milk. How many cows would be needed to provide at least 1,000 glasses of milk in one day?

9) At the currency exchange, one U.S. dollar exchanges for 0.76 Euros, and 1 British pound exchanges for 1.15 Euros. If Bill has 300 U.S. dollars and wishes to convert all of them to British pounds, to the nearest whole number, how many British pounds will Bill have?

10) The expression

(Number of Factors for a Given Prime Number)ⁿ

where n ≥ 1 will always be divisible by which of the following numbers?

11) In the complex numbers, where i² = –1, which of the following is equal to the result of squaring the expression (i + 4)?I