Convert as indicated. If necessary, round to two decimal places.79.8 inches to centimeters
A. 202.69 cm
B. 6.62 cm
C. 957.6 cm
D. 31.44 cm
Answer: A
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Find the limit.
A. 0
B. - 
C. -?
D. - 
The position vector of a particle is r(t). Find the requested vector.The velocity at t = 
for r(t) = 2 sec2(t)i - 2 tan(t)j + 9t2k
A. v
= 8i + 4j - 
?k
B. v
= -4j + 
?k
C. v
= 8i - 4j + 
?k
D. v
= -4j - 
?k
Find the absolute extreme values of the function on the interval.f(x) = tan x, - 
? x ? 
A. absolute maximum is -1 at x = 
; absolute minimum is 
at x = - 
B. absolute maximum is 
at x = 
; absolute minimum is -1 at x = - 
C. absolute maximum is 
at x = 
and - 
; no minimum value
D. absolute maximum is 
at x = 
; absolute minimum is -1 at x = - 
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.Find the amount of cream of tartar needed if you take 
times the recipe.
A. Estimate: 4 tsp
Exact: 3
tsp
B. Estimate: 6 tsp
Exact: 3
tsp
C. Estimate: 4 tsp
Exact: 3
tsp
D. Estimate: 3
tsp
Exact: 6 tsp