You will build a swimming pool in your house. It will be shaped like a cobblestone with 21,000 dm³ in volume, 100 cm high and 3.5 m wide. Determine how much material you will spend for the internal lining of your pool, knowing that the m² of floor costs R $ 50.00.

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Write the equations in logarithmic form 7^3=343

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?