Answer:
Step-by-step explanation:
Find the lenghth of the left and right sides using the distance formula to determine if the trapeziod is isosceles
Since 
(the sides are not equal) this is not an isosceles trapezoid
Sally is incorrect and John is possibly correct.
Find the slope of the top and bottom sides to determine if this is a trapezoid.
SR: 
PQ: 
since 
(the slopes are not equal) the top and bottom sides are not parallel therefore this is not a trapezoid. Hence, John is incorrect, and Mary is ultimately correct.
The function that represents how much you would pay is:
p(x) = (x - $5)*0.9
<h3>
How to find the function?</h3>
Let's say that the cost of the repair is x.
First, we apply the coupon, so we discount $5 for the cost.
x - $5.
Then we apply another discount of the 10%, this is written as:
(x - $5)*(1 - 10%/100%)
(x - $5)*(1 - 0.1)
(x - $5)*0.9
Then the function that represents how much you would pay is:
p(x) = (x - $5)*0.9
If you want to learn more about functions:
brainly.com/question/4025726
#SPJ1
Answer:
$80
Step-by-step explanation:
100%-30%=70%(nightstand after discount)
70%=$56
1%=56÷70=0.80
100%=0.8x100=80
Hope this helps! Thanks.
Answer:
16+3=y
y=19
Step-by-step explanation:
It would be 20 so you had it right
