Evaluate.
, for x = 6 and y = 6
A. 27
B. 26
C. 30
D. 60
Answer: C
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Solve the problem.The average height of a boy in the United States, from birth through 60 months, can be modeled by 
where y is the average height, in inches, of boys who are x months of age. What would be the expected difference in height between a child 49 months of age and a child 16 months of age?
A. 10.7 in. B. 8.7 in. C. 48.9 in. D. 20.3 in.
Provide an appropriate response.In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find c if a = 9 in. and b = 7.2 in.
Fill in the blank(s) with the appropriate word(s).
Find 
if lnxy=2ysinx.
What will be an ideal response?
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