Answer:
1. 2/5,-3 2. 
Step-by-step explanation:
i used the quadratic formula to find x also please note that 2 has 2 answers bc of the +- beofre the sqrt of 13
Answer:
7000 in the account that paid 9% interest rate and 3000 in the account that paid 8% interest rate
Step-by-step explanation:
Let $x be invested in account 1 and $(10000-x) in the second account
Then, 870=x*9/100+(10000-x)*8/100
x=$7,000.
Answer: the ordered pair negative 3 over 8, negative 5 over 8
Step-by-step explanation:
Answer:
square numbers are numbers raised up to the power of two in essence the number multiplied by it self
They will each get 1/6 of the pizza.