Solve the equation using the quadratic formula.6x2 + 23x + 20 = 0
A. 
, 
B. - 
, - 
C. - 
, - 
D. 
, - 
Answer: C
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Estimate the value of the quantity.The velocity of a projectile fired straight into the air is given every half second. Use right endpoints to estimate the distance the projectile travelled in four seconds.
A. 895.6 m B. 467.4 m C. 934.8 m D. 447.8 m
Use division properties of one and zero to quickly determine the quotient, or state that the expression is undefined.
A. Undefined B. 0 C. 8 D. 1
Solve the problem.The formula v = 
can be used to estimate the maximum safe velocity v, in miles per hour, at which a car can travel along a curved road with a radius of curvature r, in feet. To the nearest whole number, find the maximum safe speed for a curve in a road with a radius of curvature of 200 feet.
A. 35 mph B. 22 mph C. 9 mph D. 14 mph
Find the present value. Round to the nearest cent.
A. $3856.78 B. $15,373.01 C. $3843.22 D. $3951.32