\( A=\left[\begin{array}{ccc}1 & 3 & 5 \\ 5 & -1 & 1 \\ 3 & 0 & -2\end{array}\right] \quad B=\left[\begin{array}{ccc}3 & -5 & 2 \\ 3 & 4 & 0 \\ 2 & 1 & -3\end{array}\right] \quad C=\left[\begin{array}{ccc}2.1 & -4 & 1.5 \\ -3 & 5 & 0.3 \\ 5.4 & 2 & -2.8\end{array}\right] \) Find the value in row 2 columin 1 of \( A+B \).

Martin decided to buy 2 bags of grapes weighing \( 5 \frac{2}{3} \) pounds each, instead of the 3 bags weighing \( 4 \frac{1}{5} \) pounds each, because the bigger bags were on sale. Did he end up with more grapes or less grapes by buying the bigger bags? He ended up with about One-half pound more grapes. He ended up with about 1 pound less grapes. He ended up with about One-half pound less grapes.

Bisa and Ibrahim both did their laundry today. Bisa does laundry every 5 days and Ibrahim does laundry every 10 days. How many days will it be until Bisa and Ibrahim both do laundry on the same day again? days

If you applied the divisibility test for 9 to determine whether or not the natural number 24172232 is divisible by 9 , you would check to see if 9 divides what number?

b) \( (7,521)(4,8)= \)

Convert 65 m to inches. (Round your answer to the nearest whole number) \( 65 \mathrm{~m} \approx \square \) inches