Find the value of the determinant.
A. 390
B. -46
C. 46
D. 10
Answer: C
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Indicate whether the ordered pair is or is not a solution to the given system.
(2, -6)
A. Solution B. Not a solution
Find a rectangular equation for the curve and describe the curve.x = sin ?, y = 3 cos ?; -? ? t ? ?
A. 9x2 + y2 = 9; portion of an ellipse B. x2 + y2 = 9; circle with radius 3 C. 9x2 + y2 = 9; ellipse D. x2 + 9y2 = 9; ellipse
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
Find the exponential model 
that fits the points shown in the table.
x
0
4
y
5
1
A. 
B. 
C. 
D. 
E. 