Answer:
The slope of the line is 
Step-by-step explanation:
For any line 
, a line that is perpendicular to it is 
.
Therefore the slope of the perpendicular line is 
.
For our case 
therefore the slope of the prependicular is the reciprocal of 
multiplied by 
The price for hardcover books is 1.50 and the price for paperback is .50
128,147 that is in standard form
Answer:
the first problem is 216cm
Step-by-step explanation:
(first problem) The 8cm is pointless it just give extra unneeded info a little trick my techer taught me is when you dealing with parellelagrms what you should do is see the dotted line well move the shape the is on the left side of the dotted line to the right side of the parrallelagram and now its a rectangle so all you need to do is 9cm x 24cm = 216cm
I dont think i can help with the secound one sorry but does this help?
The answer that would best complete the given statement above is Z-SCORE. <span>When a data value is converted to a standardized scale representing the number of standard deviations the data value lies from the mean, we call the new value a Z-SCORE. Hope this helps.</span>
