(4,52) would be the ordered pairs.
Hope that helped :)
Okay so 8 (hector) - 3(Mary) = 5 years apart
So, 16 (hector) - 5 (years apart) = 11 (Mary’s age)
To make a square for x²+bx=c, add(

)²on both side
in this case, b is-3/4, half of b is -3/8, and (-3/8)² is 9/64, so you add 9/64 to both side.
Answer:
Hey!
Step-by-step explanation:
I got this off the internet for you.
In statistics, the standard deviation (SD, also represented by the Greek letter sigma σ or the Latin letter s) is a measure that is used to quantify the amount of variation or dispersion of a set of data values.
Hope this helps! :)
Have a nice day♥
Answer:
I got $7.75.
Step-by-step explanation:
66.85-4.85=62
62/8=7.75.