how many ways can 4 people be seated in a row containing 4 seats

There were 6 people standing in a queue. 4 of them left. Identify a number sentence to show the number of people left in the queue. => 6 - 4 = 4 or 6 - 4 = 10 or 6 - 4 = 6 or 6 - 4 = 2..

Choose a way to get the sum equal to 6. => 3 + 4 or 3 + 2 or 4 + 2 or 5 + 2..

Choose a way to get a sum of 8. => 4 + 3 or 6 + 3 or 2 + 5 or 1 + 7..

These undergo oxidation reactions when burnt in air or oxygen. For example, when methane is mixed with oxygen and heated in presence of molybdenum oxide, it gets oxidized to methanal or formaldehyde. Oxidation of carbon compounds is used as for producing other carbon compounds with differe..

The volume of milk in a container is 4 quarts. Annie drank 64 fl oz. of milk. Find the volume of milk left in the container. => 64 fl oz or 16 quarts or 60 fl oz or 64 quarts..

A doctor wishes to mix together two kinds of food, X and Y, in such a way that the mixture contains at least 10 units of vitamin A, 12 units of vitamin B and 8 units of vitamin C. The vitamin contents of one pound of food are shown. One pound of food X costs $4 and one..

A store sells white (W) and red (R) colored shirts that come in four different sizes: Small (S), Medium (M), Large (L), and Extra Large (XL). Use a tree diagram to find the number of possible ways in which Donald can choose his shirt. => 8 or 4 or 6 or 2..

A research surveys 125 people in each of four neighborhoods to determine the percentage of those whose annual income is greater than $50,000. The results are shown here. At α = 0.10, find the chi-square test value and test the claim that the proportions of those whose inco..

How many marbles are there in 4 rows, if each row has m marbles? => 4 ÷ m or 4 - m or 4 + m or 4 × m..

Which set contains all even numbers? => 4, 6, and 9 or 6, 8, 11, and 12 or 6, 8, and 12 or 5, 6, and 10..