Find cos A in the right triangle below.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: A
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Solve the problem.On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $10 each and a number of necklaces at $14 each. She wrote a check for $1440 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?
A. 65 bracelets and 55 necklaces B. 55 bracelets and 65 necklaces C. 70 bracelets and 50 necklaces D. 60 bracelets and 60 necklaces
Provide an appropriate response.Simplify: 1 + 
Fill in the blank(s) with the appropriate word(s).
Find the area of the region under the graph of the function
?
?
on the interval 
.
?
A. 
sq units
B. 
sq units
C. 
sq units
D. 
sq units
Use the function 
from x = 0 to x = 1 and n equal subintervals with the function evaluated at the left-hand endpoints of each subinterval. Find a formula for the sum of the areas of the n rectangles (call this S).
?
A. 
B. 
C. 
D. 
E. 