Which statement is a counterexample to the following conjecture?

All mammals are dogs.

A. A labrador retriever is a mammal.

B. All mammals have hair.

C. A spider is not a mammal.

D. A cat is a mammal.

Out of the 40 students in the 7th grade class, 60% of the students carry a cell phone. What fraction of the students in the 7th grade class carry a cell phone? How many students in the 7th grade class carry a cell phone?

How do you solve 6<_2g?

Is 9/15 equal to 6/10

Marta earns $12.50 per hour during a 40 hour week. If she works overtime, she earns time and a half pay for every additional hour that she works. This week, she has worked 46 hours. Determine her pay this week.

Tyra is training for a bicycle race. Each week she rides a total distance greater than 10 kilometers and less than or equal to 30 kilometers.

Which number represents the possibility of an event that is very likely to occur

Solve for b 5 (b-a) = r

If 10% of a number is 7, what is 80% of the number?

Write the equation of a circle M (7, - 10) and radius 2

Which expression is equal to 6 (-3m) to the 4th