Is 9.78 a rational or irrational number

Or the product of (7x + 2) and 20 - 3x

Find a vector that has direction angles α = 75° and β = 128°.

Using the greatest common factor for the terms, how can you write 56 + 32 as a product?

The retail price of a new computer is $695. The company offers a $50 discount for students. What percentage of retail price do you pay as a student?

Determine the discriminant for the quadratic equation - 3=x^2+4x+1

34,989 divided by 321

A castle has to be guarded 24 hours a day. Five knights are ordered to split each day guard duty equally. How long will each knight spend on guard duty in one day?

For questions 11 and 12, use the two-way table specifying favorite ice cream flavors by gender. male female chocolate 32 16 vanilla 14 4 strawberry 3 10 11. what is the expected number of females who prefer vanilla? a. 18.2 b. 6.8 c. 4.9 d. 11.2 e.

Solve 1/p+1/s=1 for p

0.81 repeating as a fraction