1. simplify the expression.
(6++i)

2. simplify the expression.
(8+i)(2+7i)

3. find the conjugate of the complex number 8+12i
a. 96
b. 8-`1i
c. -96i
d. 20

4. use the complex conjugate to find the absolute value of 8+12i
a. 12
b. square root of 208
c. square root of 84
d. 8

Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75