How many years are there in a decade

What is the product of z1 and z2 if z1 = 2 (cos70° + i sin70°) and z2 = 4 (cos200° + i sin200°) ?

What identity property is 2 x 3 = 3 x 2

What is the middle number when the numbers {2.3, - 0.1, 1.9, - 4, - 3.2} are ordered from least to greatest?

Eddie finds a good deal on a used car that he likes. He makes a down payment of $450 and pays $199 a month for 36 months. What is the deferred price of the car?

Vicki measured the midnight temperature at four locations in Alaska. The temperature, in degrees Fahrenheit, were - 7, - 2, 1, and 4. What is the mean absolute deviation of the temperatures?

What's the absolute value of $55.00

5x+12=44 then value of 5x-12=?

Which is greater, the amount the average person spends in a month on coffee or the amount the average person spends in a month on gasoline?

Using completing the square solve for x X^2-10x-9=0

Brazil exports the most coffee in the world. It cost approximately $2.55 to produce a pound of coffee; they want to make a profit of 300% for each pound. Also, the U. S. charges a 20% Tariff for each pound that is imported.