Specify the center and radius of the circle.x2 + 18x + y2 - 18y + 146 = 0
A. center: (9, -9); radius: 16
B. center: (9, -9); radius: 4
C. center: (-9, 9); radius: 16
D. center: (-9, 9); radius: 4
Answer: D
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Write the augmented matrix for the system. 4x + 7y = 53 6x + 2y = 54
A. 
B. 
C. 
D. 
Refer to the following recipe to first estimate the answer and then use multiplication or division to find the exact answer. Simplify. Old Grandma's Fork Cookies 1
cups brown sugar 1
cups white sugar 1
cups shortening 1 pinch salt 3 eggs 2
tsp soda 2
/> tsp cream of tartar 1
tsp vanillaCream sugars and shortening. Beat in remaining ingredients. Add flour to stiffen like regular cookie dough. Roll into balls, then flatten with a fork. Cook until brown.If the recipe is tripled, how much soda will be needed?
A. Estimate: 9 tsp
Exact: 7
tsp
B. Estimate: 9 tbsp
Exact: 7
tbsp
C. Estimate: 6 tsp
Exact: 6
tsp
D. Estimate: 7
tsp
Exact: 9 tsp
Decide whether or not the functions are inverses of each other.
A. Yes B. No
Solve the equation.
- 
= 3
A. 2, 38 B. -2 C. 3, 8 D. 2