Use PEMDAS form. (Parentheses, exponents, multiplication, division, addition, subtraction.) You will first solve -2-8 which is -10, then finish with 9 + (-10), or 9-10, which is -1. The answer is -1.

4 0

3 years ago

Margie and four of her friends are eating lunch at a restaurant. The total bill is $52.50 before tax and tip.

musickatia [10]

Part A- DISCOUNT-SALES TAX--- 42.5
WITH TAX-- 45.05

part b- the tip is... 10.5

part c- 11.11

4 0

3 years ago

If the ratio of red hair bands to green hair bands is 5 to 9 with a total of 70, how many are green

Eduardwww [97]

$5x-\ red\\9x-\ green\\\\5x+9x=70\\
14x=70\ \ \ | divide\ by\ 14\\\\
x=5\\\\
9x=9*5=45\\\\
There\ are\ 45\ green.$

5 0

3 years ago