A sum of money was shared among Mr. Edwards, Mr. Hayles and Dr. Smalling in the ratio 3:5:7. If Dr. Smalling’s share amounts to $350. Calculate the: a. total sum of money to be shared. b. percentage of the total amount that Mr. Hayles received.

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula