Answer: Mary
Mary is more trustworthy because she interviews more students, therefore has a more accurate range of answers.
Answer:
495
Step-by-step explanation:
1,650 x 0.7 = 1,155
1,650 - 1,155 = 495
(0.7 is the percentage)
Hope this helps!
Answer:
See below.
Step-by-step explanation:
1)
So we have:

This can be interpreted as:
"There exists a natural number <em>x</em> and an integer <em>y</em> such that x² is equal to y²."
2)
So we want even numbers are in the set of integers.

This is interpreted as:
"The set of even numbers (2n such that n is an integer) is in the set of integers"
Answer:
X= -4
Step-by-step explanation:
Distribute the negative, you get 3 + 6i - 8 + 5i
3-8= -5
6i+5i = 11i
so its -5 + 11i