Which is a counterexample to this conjecture?

The sum of any two consecutive integers is a composite number.

A.

16 + 17 = 33

B.

10 + 11 = 21

C.

6 + 7 = 13

D.

7 + 8 = 15

mark and don are planning to sell each of their marble collections at a garage sale. if don has 1 more than 5 times the number of marbles mark has, how many does each boy have to sell if the total number of marbles is 157

Each week Suzanne and Sarah drink 2 gallons of milk. HGow many iounces of milk do they drink each Week?

How do i acquire wealth, how do i get rich

If you know that 4 times 5 equals 20 how can you use the commutave property of multiplication to find 5 x 4

Expand (3 - 2x) 6. What is the coefficient of the sixth term?

Two-thirds of a number increased by two is ten

Translate the phrase into a math expression. twenty divided by the sum of 4 and 1.

There are 5 students in a small class. To make a team, the names of the 3 of them will be drawn from a hat. How many different teams of 3 students are possible?

How do you turn 37.5 into a fraction

6=x/5 x=? What does x equals