The answer is D. -15 because I am assuming that the vertical lines mean brackets, and we have to work out the brackets first (according to BIDMAS). Doing so, -6 + 2 = -4 and -4 + -11 = -15.
Multiply the numbers outside the square root together and the two square roots together to get a single term and simplify
1. -1
2. 1/2
not sure:
3. 7? —> 7x 1/7x=7x1= 7
4. 1/11?
Answer:
$6.79
Step-by-step explanation:
Answer:
69
Step-by-step explanation: