8. Clock A alarms every 2 hours and Clock B alarms every 3 hours. They fi alarmed together at 8:00 am. The next time they alarm together is at A. \( 1: 00 \mathrm{pm} \) B. \( 1: 30 \mathrm{pm} \) C. \( 2: 00 \mathrm{pm} \)

b. \( 2 \frac{4}{5} \div 1 \frac{1}{15} \)

What is the value of \( z^{*} \) for \( 98 \% \) confidence? 1.645 2.576 2.326 1.960

To plan for retirement, Bob deposits \( \$ 295 \) each quarter in an annuity that pays \( 7 \% \) interest, compounded quarterly. Payments will be made at the end of each quarter. Find the total value of the annuity in 28 years. Do not round any intermediate computations, and round your final answer to the nearest cent. If necessary, refer to the list of financial formulas.

diagram below shows the top view of a rectangular box containing 12 cylindrical tir tins are all just touching each other and the sides of the box. Each tin is 15 cm high. h tin has a label going all the way around its side, but not on the top or bottom. box has dimensions of 27 cm by 36 cm by 15 cm .

4) El valor de la expresión \( a-a^{2}-a^{3} \) para \( a=2 \) es: a) -10 b) -8 c) -6 d) 14 El valor de \( -10^{2}+(-10)^{2}+10^{0} \) es ional a.