If x+yi/i = 8 + 10i, where x and y are real, what is the value of (x + yi) (x - yi) ?

A 164

B 150

C. 75

D. 100

What is the value of z for the equation fraction 1 over 3z = - fraction 5 over 6 fraction 1 over 6z? 5 2 - 2 - 5

In the normal distribution, values in the distribution being measured are close to the mean (high or low values are infrequently found). true or false?

How many solutions are there to the equation 12x 6=5x

Pete wants to make turkey sandwichs for two friends and himself. He wants each sandwich to contain 3.5 ounces of turkey. How many ounces of turkey does he need

Brandon needs $360 to buy a TV and stereo system for his room. He received $90 in cash for birthday presents. He plans to save $45 per week from his part-time job. To find how many weeks w it will take to have $360, solve 90 + 45w = 360.

If s = - 5 and t = 3 find the value of s2 t

On Monday Leah drove x miles on her road trip to visit her parents. On Tuesday she drove twice the number of miles she drove on Monday. If Leah drove a total of 360 miles on her two-day trip, how many miles did she drive on Monday?

Emilio bakes 2 pies he shares them equally among 3 friends how much pie does each person get

Which statement is true about this data set? {70, 67, 66, 65, 66, 78, 68, 71, 80, 78, 72} 65 is an outlier because it is less than the lower fence. 80 is an outlier because it is greater than the upper fence. This data set has no outliers.

Rachel can buy licorice sticks for $0.75 and cherry candies for $0.50 and has a budget of $25. If her expenses are represented by the equation 0.75x + 0.