Decide whether or not the fractions are equivalent.- 
and - 
A. Not equivalent
B. Equivalent
Answer: B
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Provide an appropriate response. Use the tangent function to find A of a standard right triangle ABC given a = 14 m and b = 17 m. Round to the nearest 0.1°.
A. 34.6° B. 39.5° C. 55.4° D. 50.5°
Show that the equation is not an identity by listing the value(s) of the variable from among 0, 
, 
, and - 
for which the equation is false.sin ? + cos ? = tan ?
A. 0, 
, and - 
B. 0, 
, 
, and - 
C. 0
D. 0 and 
Solve.An electrical circuit contains two resistors connected in parallel. If the resistance of each is R1 and R2 ohms, respectively, then their combined resistance R is given the formula R = 
If their combined resistance R is 2 ohms and R2 is 10 ohms, find R1.
A. 
ohms
B. 
ohms
C. 
ohm
D. 8 ohms
Solve the problem.Greg is opening a car wash. He estimates his cost equation as 
and his revenue equation as 
where x is the number of cars washed in a six-month period. Find the number of cars that must be washed in a six-month period for Greg to make a profit.
A. At least 5422 cars B. At least 543 cars C. At least 4422 cars D. At least 54,217 cars