40º
7) In this problem, we can see that both tangent lines to that circle come from the same point O.
So, we can write out the following considering that there is one secant line DO and one tangent line to the circle AO

Answer:
i think its d
Step-by-step explanation:
Answer:
4. Yes 5.No 6. No
Step-by-step explanation:
To be short,a linear equation has a coefficient of only 1 degree.
If the degree is over 1 it isn't a linear equation.
4 is the linear equation since it x value 7x has a degree of 1.
5 isn't becuase it's x value has a degree of 5
6 isn't becuase it degree is 4.
$500 x 0.12 = $60
$500 x 0.88 = $440
<span>What is the marking amount? $60
What is the selling price? $440</span>
Answer:
20d + 30d
Step-by-step explanation:
20 and 30 minutes per day