Find the slope of the line. If the slope is undefined, state this.
A. 0
B. Undefined
C. 1
D. 
Answer: A
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Find all real numbers that satisfy the equation.cos 2? = 
A. 
B. 
C. 
D. 
Convert to decimals.21°55'
A. 21.88° B. 21.92° C. 21.98° D. 21.93°
Find all solutions by factoring.6x2 + 5x = 0
A. - 
,0
B. 0,
C. 
,0
D. 
,
Solve the problem. Round to the nearest tenth unless indicated otherwise.The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of src="https://sciemce.com/media/4/ppg__refe0512191816__f1q57g4.jpg" alt="" style="vertical-align: -4.0px;" /> at 
is needed to keep an 
car traveling at 20 mph from skidding on a curve of radius 
what force would be required to keep the same car from skidding on a curve of radius 
Round your answer to the nearest pound of force.
A. 20,962 lb
B. 21,664 lb
C. 21,126 lb
D. 21,094 lb