If a is a rational number and B is an irrational number can the product of a and b be rational

Evaluate 9 - 8/s when s=4

Marathon runner covered the whole distance in 4 hours running at a constant speed of 8.1 km per hour. How long would it take him to cover the same distance if he decreased the speed to 7.2 km per hour?

A firm produces 19,200 units at a total cost of $67,585.06. Find the cost per unit to the nearest cent.

Does the rule y = (4) (x) represent a linear or exponential function?

A restaurant added a new outdoor section that was 8 feet wide and 6 feet long. What is the area of their new outdoor section

Stephanie has 6 classes a day at school each class is 52 minutes long she goes to school 5 days a week how much time does he spend in class each week show two different ways to solve this problem

What is 2 times the square root of 36

On a multiple choice test of 86 questions, a student get 8 questions wrong. To the nearest percent, what percent of the questions did the student solve.

Let f (x) = 4x+3 and g (x) = - 2x+5. find (f*g) (5) A.-17 B.-5 C. 23 D.-41

Venn diagrams cover another diagram