Answer:
AD=16
AB=20
Step-by-step explanation:
BD=12
9/DB=DB/AD=9/12=12/AD
9AD=144
AD=16
AB^2=25^2-15^2
AB^2=400
AB=20
Answer:
The cost of the dinner before other costs is $14.20
Step-by-step explanation:
To solve this, we write the following equation:
x + .11x + .20x = 18.60
This is because in addition to paying for the dinner (x), she also has to pay 11% of it and another 20% of it. Now we can combine like terms and solve.
1.31x = 18.60
x = 14.20
Answer:
21 would be the correct aswer
Step-by-step explanation:
Remark
A cyclic quadrilateral is one whose vertices touch the circumference of a circle. It has the strange property that opposite angles add up to 180 degrees. "b" is opposite a 110o angle. Therefore b = 180 - 110 = 70 degrees.
Answer B
