If n and K are positive integers and n+ k< 8, how many different values of the product nk are possible?
Matt and Michelle are at the northwest corner of their school's football field, which is a rectangle 300 ft long and 160 ft wide. Matt walks in a straight line directly to the southeast corner of the field. If Michelle walks 180 ft down the west side of the field and then walks in a straight line directly to the southeast corner of the field, how many feet farther, to the nearest 10 ft, will Michelle walk than Matt?
At a certain corporation, the planning committee has 23 members and the finance committee has 20 members. If a total of 21 people are members of only one of the two committees, how many are members of both committees?
Ann and Bob ran 10 times around a circular path that is 15 feet wide. If Ann ran along the outside edge of the path and Bob along the inside edge, approximately how many more feet did Ann run than Bob ran?
Is the integer N the square of a positive integer?
(1) N has an odd number of different positive integer divisors.
(2) Each of 9 and 25 is a divisor of N.
If n is positive integer, which of the following could be equal to (n+1)3 - (n3+1)3?
A)
B)
C)
D)
E)
0
Store S's gross profit from a certain product is 40 percent of the store's revenue from the product- The store's gross profit from the product is what percent of the store's cost for the product?
25
40%
150%
A certain company's yearly revenue was 20% less in 2005 than in 2004 and 10% greater in 2006 than in 2005. If the company's yearly revenue in 2007 was equal to its yearly revenue In 2004, which of the following is closest to the percent increase in the company's yearly revenue from 2006 to 2007 ?
In a certain nursery, 15 percent of the plants developed a fungus and died. If 40 percent of the plants that developed the fungus did not die, what percent of the plants in the nursery developed the fungus?
