Write fraction in lowest terms.A marketing firm develops two different television commercials for a product. To determine which is more effective, the firm conducts an experiment. They randomly select 400 people using the phone directory and pay 200 to watch one of the commercials and the other 200 to watch the other. They then ask the viewers whether they would buy the product. 42 said yes in the first group, while 80 said yes in the second group. Write the lowest-terms fraction for each group.
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Answer: B
You might also like to view...
Complete the ordered pairs. Then graph the equation by plotting the points and drawing a line through them.y + 6 = x (0, ), ( , 0), (5, )
A. (0, 6), (-6, 0), (5, 11)
B. (0, -6), (-6, 0), (5, -11)
C. (0, -6), (6, 0), (5, -1)
D. (0, 6), (6, 0), (5, 1)
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
State the degree and leading coefficient of the polynomial function.f(x) = -8 + 10x4 + 13x - 3x3 - 7x2
A. Degree: -8; leading coefficient: 10 B. Degree: 4; leading coefficient: 10 C. Degree: 4; leading coefficient: -8 D. Degree: 3; leading coefficient: -3
Solve the problem.You have 112 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area.
A. length: 84 ft, width: 28 ft B. length: 28 ft, width: 28 ft C. length: 56 ft, width: 28 ft D. length: 56 ft, width: 56 ft