Write the arithmetic sequence \( 23,19,15,11, \ldots \) in the standard form: \( a_{n}=\square \)

Question 4 (4 points) \( \log _{4}(4)=\ldots \ldots \) (round to 3 decimals) Your Answer:

Which of the following is an approximation to six decimal places of \( \log _{9} 1,620 \) ? (1 point) 2.255273 3.209515 3.363417 7.390181

Determine the domain of the following function. \[ y=\sqrt{x-9} \] The domain is (Type your answer in interval notation.)

When converting \( 44.644^{\circ} \) to degrees-minutes-seconds what is the minutes? Your Answer:

Find \( \sum_{i=3}^{7}\left(3\left(\frac{1}{2}\right)^{i-1}\right) \) First write out the summation: Find the answer: