Katherine has a 30 foot length of ribbon. she cuts the ribbon into 7 pieces of equal length. the length of each piece of ribbon will fall between which two whole- number lengths?

a. 2 and 3

b. 3 and 4

c. 4 and 5

d. 5 and 6

Let r = 3. what is the value of r + 58?

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?