What is the factored form of (a^2-6) (a^2+4)

the answers that I can choose from are

a^4 + 2a^2 + 24

a^4 - 2a^2 + 24

a^4 - 2a^2 - 24

a^4 + 2a^2 - 24

There are 28 students in math class, and 22 passed a test. What percentage passed the test?

It takes 81 pounds of seed to completely plant a 10 - acre field. How many acres can be planted per pound of seed? At Davidson's Bike Rentals, it costs $10 to rent a bike for 3 hours. How many dollars does it cost per hour of bike use?

What is a radius of a circle that has a diameter of 38 centimeters

Write a real world problem which where u would multiply fractions

What is the simplest form of 1/3 (45x-18/7) ?

If someones weekly salary is $325 a 6.5% commission on sales in a shop How much would that person make if in a work/school week if they sold $4,800 worth of merchandise? ... (Sorry I dont understand how I would go about solving this question ...)

How do i find the domain of g (x) = square root of x-5?

What is the least common multiple of 6,12, and 15?

4/7 = 5/p. What is P? Pleas solve and show you r work!

How do you solve x=-1,0,2?