Solve the problem.Police use the formula S 
, where S is the test-car speed and L is the test-skid length, to find the actual speed in an accident which left a skid mark of length l. Simplify the expression S 
by rationalizing the denominator.
A. S 
B. 
C. 
D. 
Answer: C
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Use the circle graph of one family's allowance for appliances in their new house to complete the exercise. Write ratios as fractions in lowest terms.
A = $378D = $631B = $1082E = $381C = $268F = $297Find the ratio of clothes washer to total allowance.
A. 
B. 
C. 
D. 
Identify the number as prime, composite, or neither.126
A. Neither B. Prime C. Composite
Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither. 3x - 4y = -5 8x + 6y = -5
A. Neither B. Parallel C. Perpendicular
Solve the system graphically. If a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this. Round to the nearest hundredth if necessary.-2x + 3y = 153x - 2y = 0
A. (-2, 6) B. No solution C. (9, 6) D. (6, 9)