Answer:
$19.53
Step-by-step explanation:
20/100 × 15.5 = $3.1 → tip cost
Cost +tip = 15.50 + 3.1 = $18.60
Now , sales tax = 6%
6/100 × 15.5 =$ .93
Total amount (tax+lunch+tip) = 18.60+.93
= $19.53
Answer:
A rational expression is a ratio of two polynomials. The domain of a rational expression is all real numbers except those that make the denominator equal to zero.
Step-by-step explanation:
Answer: D
Step-by-step explanation:
(x-9)² = x-3
(x-9) (x-9)= x-3
x² - 9x-9x +81 = x-3
x² -18x+81 =x-3
x²-19x+84 =0
(x-12)(x-7)=0
x=12 or 7
Answer:
thanks for the point
Step-by-step explanation:
Thanks
Answer:
Step-by-step explanation:
7x > 7, o 7(x > 1).