Okay,
Radius, is half of the diameter.
Diameter, is the line that splits the circle in half.
1). R=50 D=100
2). R=10 D=20
3). R=5 D=10
4). R=29 D=58
5). R=11 D=22
6). R=31.5 D=63
7). R=45 D=90
8). R=7 D=14
9). R=49 D=98
<span>2x + x = 420
3x = 420
x = 140 Adult tickets </span>
Answer:

Step-by-step explanation:
The number of bushels produced is given by:

The owner's income is given by:

Income is given by the price per unit multiplied by the number of units sold. Therefore, the price function can be represented as:

Sum means to Add.
So the sum of d and 9 would be d + 9
if 15 cars were washed there would be $52.50