Answer:
and 
Step-by-step explanation:
If a number 'x' is a perfect square, then 
is rational.
25, 36 and 81 are perfect squares, but 54 and 120 aren't, so the irrational values are and
Answer:
kqw1qw1lo12
Step-by-step explanation:
Answer:
Answer : 0 = ( x + 3)( x -15)
Step-by-step explanation:
Hope dis helps you......
A. 200.625 minutes B. 184.166 minutes C. 200 minutes (round these answers like the question asked) 4. Plan A is the best because you get the most minutes for your money. I will explain my work for A, but if you need to explain the rest just ask. So, if you have to pay $3.95 every month no matter what and $0.08 for every minute you talk you can write the equation as, Cost = 3.95 + 0.08m (m stands for minutes), and the cost is 20$ then the equation is 20 = 3.95 + 0.08m, subtract 3.95 from the right side to make it 16.05 = 0.08m, then divide everything by 0.08 to get m, which gives you m= 200.625
