the ratio of the ages of 3 children is 1:3:5. The oldest is 12 years older than the youngest how old is the middle child

Find the greatest common factor 4a^2x^2 + 4a^2x + 4a^2

2. Prove that a 3x3 matrix must have at least one real eigenvalue. Is it important, as part of the proof, to find this eigenvalue? Why or why not?

Chris tells Adam that the decimal value of - 1 over 13 is not a repeating decimal. Is Chris correct?

What is 8x8x8x7x7= using write with exponents

Mortgage needs $480 to buy a TV and stereo system for his room. He received $60 in each for birthday presents. He plans to save $30 per week from his part-time job. The equation model for his situation is 60 + 30w=480.

What is 2.95 expressed as a fraction? A. 118/80 B. 40/118 C. 336/40 D. 59/20

If x = 1 is a zero of the polynomial x3 - 7x + 6, find the other two zeroes.

Factor completley x2-4x-12

6-x=15 what is x? I am trouble finding it

What is the quotient of 55 divided by 5?