Find the acute angle A. Leave answer in decimal degrees rounded to seven decimal places, if necessary.cot A = 1.5524164
A. 40.1025049°
B. 49.8974951°
C. 57.2121040°
D. 32.7878960°
Answer: D
Mathematics
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With the given set of components, find R and ?.Rx = -40.6, Ry = -28.4
A. R = 49.5, ? = 215° B. R = 8.3, ? = 215° C. R = 49.5, ? = 35° D. R = 8.3, ? = 35°
Mathematics
Find the sum or difference. Write the answer in lowest terms.- 
- 
A. 140
B. 
C. 
D. 
Mathematics
Graph the fraction on a number line.- 
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.(-4x-4y-2)-2
A. 
B. 
C. - 
D. -4x8y4
Mathematics