You could just use a calculator. Or, simply find the largest perfect square that is a factor of the number and then put the multiplier under a radical sign.
F(x) = 2 x - 5
15 = 2 x - 5
2 x - 5 = 15
2 x = 15 + 5
2 x = 20
x = 20 / 2
x = 10
hope this helps!
<h2><u>TRUE</u> is the correct answer!</h2><h3 /><h3>10,000 - 99,999 = -89,999</h3><h3>Since it's a NEGATIVE number, it is smaller than zero.</h3><h3 /><h3><em>Please let me know if I am wrong.</em></h3>
Answer:
Step-by-step explanation:
Let the price of ticket be $x
9x + 15 = 78
9x = 78 - 15
9x = 63
x = 63/9
x = 7
Each ticket cost $7
