Find the least common denominator (LCD).
, 
, 
A. 8(r + 7)2
B. 8(r + 7)
C. r(r + 7)2
D. 8r(r + 7)2
Answer: D
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Solve.10,500 college students were asked to name their favorite sport. Of this group, 
said basketball, 
said soccer, 
said baseball, 
said they had no favorite sport, and the remainder said volleyball. How many named each sport? 
A. Basketball: 3,500 Soccer: 2,100 Baseball: 1,800 Volleyball: 2,575 None: 525 B. Basketball: 3,500 Soccer: 2,100 Baseball: 1,750 Volleyball: 2,635 None: 515 C. Basketball: 3,500 Soccer: 2,100 Baseball: 1,750 Volleyball: 2,625 None: 525 D. Basketball: 3,500 Soccer: 2,050 Baseball: 1,750 Volleyball: 2,675 None: 525
Simplify.102 + 9 ? 9 - (8 + 2 ? 2)
A. 169 B. 161 C. 177 D. 969
Use the information given to draw a bar graph. Clearly label the bars. The following table shows the average amount spent per week on groceries by four different families. Make a vertical bar graph to illustrate the data.
What will be an ideal response?
Solve the problem.Police use the formula s = 
to estimate the speed s of a car in miles per hour, where d is the distance in feet that the car skidded and f is the coefficient of friction. If the coefficient of friction on a certain gravel road is 0.26 and a car skidded 340 feet, find the speed of the car, to the nearest mile per hour.
A. 282 mph B. 2652 mph C. 51 mph D. 101 mph