We use equations for geometric sequence. We do as follows:<span>
a(n) = a(1) r^(n-1)
20 = ar^(2-1)
</span>20 = ar<span>
a = 20/r
11.25= ar^(4-1)
</span>11.25 = ar^3
<span>11.25 = (20/r)r^3
r = 0.75
Hope this answers the question. Have a nice day.</span>
(a).
Simplify the expression to obtain the value at missing place.

Blank space: 35
(B).
Simplify the expression to obtain the value of missing place.

Blank space : 7
(C)
Simplify the expression to obtain the value at missing place.

Blank space: 2
The rate in miles per hour is: 7.5
First you would multiply 60 by 60 because there is 60 minutes in an hour and 60 seconds in a minute. Then you would multiply by 11 then divide by 5280 because there’s 5280 feet in a mile
In 3 hours they would travel: 22.5 miles
You would multiply 7.5 times 3
Y = -x +6
the -x is because the slope of the line goes down 1 over 1, and -x is the same as -1x
the +6 is for the y intercept, at (0,6)