Calcule as seguintes multiplicações: A) (6+4i) (2+3i) =

B) (5+6i) (5+6i) =

C) (7+8i) ²

A year has 365 days. After 71 days have passed, how many days are left in the year? A) 293 B) 294 C) 295 D) 296

What will equal 121 in multiplication

4 hours 55 minutes + 2 hours 48 minutes = ?

Use a calculator to find the approximate value of arcsin (0.76).

Find the common difference of the sequence shown. 1/6,1/4,1/3 A. 1/6 B. 1/12 C. 1/3

11/6 as a mixed number

If an item is marked $520 during a 20% off sale, what is the regular price

A gardener buys a plant that is 12cm in height. Each week after that the plant grows 10cm. Note: The plant is 12cm high at the beginning of the week. what is the formula and value for t10 and t12 in an arithmetic sequence?

Andrea's family stopped at the gas station to get gas. At gas stations, the price of gas per gallon is given to the nearest thousandth.

Emeril mixed 3/10 cup balsamic vinegar with 2/10 cup oil to make a salad dressing. Then he use 1/10cup of mixture for a large salad how much oil and vinegar mixture was left over?