Solve the problem.Find the value of k so that the graph of 9y + kx = 4 and the line containing the points 
and 
are perpendicular.
A. k = 15.75
B. k = -20.25
C. k = 20.25
D. k = -15.75
Answer: D
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Solve the application. Write an expression to describe the situation and simplify the expression for the final answer.The stock market gained 9 points on Tuesday and lost 19 points on Wednesday. It had closed on Monday at 2676 points. Where did the market close on Wednesday?
A. 2676 + 9 + (19) = 2648; The market closed at 2648 points on Wednesday. B. 2676 + 9 + (-19) = 2666 ; The market closed at 2666 points on Wednesday. C. 2676 + (-9) + (-19) = 2686; The market closed at 2686 points on Wednesday. D. 2676 + (-9) + (19) = 2704; The market closed at 2704 points on Wednesday.
Use the horizontal line test to determine if the function is one-to-one.
A. Yes B. No
Find the prime factorization of the composite number.1281
A. 21 ? 61 B. 32 ? 61 C. 3 ? 7 ? 61 D. 72 ? 61
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