Answer:
About 630 seventh-grade students would like to snorkel
Step-by-step explanation:
if you do
7/9 x 90 equals 630/810 total students
2+4=6
6+-7=-1
Your answer would be negative 1 or -1
Answer:
B. The absolute value parent function
Step-by-step explanation:

Referred to as absolute value, the value inside the bars is measured in terms of its distance from 0. Therefore:

In essence, a negative value within the bars becomes positive, while a positive value remains positive.
Answer:
150
Step-by-step explanation:
The sum of the angles of a quadrilateral are 360. Let x be the unknown angle
30+70+110+x = 360
Combine like terms
210 +x = 360
Subtract 210 from each side
210+x-210 = 360-210
x = 150
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