Filling them in it would be ; 4 - (-2) - 8
And a negative against a negative equals a plus so ; 6 - 8 = your answer
Step-by-step explanation:
let no. of hours be x.
45x - 12 ≥ 117
45x ≥ 129
x ≥ 2.8667 (5sf)
therefore, 3 hours (round up to next whole number).
Topic: inequalities
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Answer:

Step-by-step explanation:
The given parabola has equation

We rewrite in standard form to obtain:


Split the middle terms to get:

Factor by grouping:



Answer:
Area of the lawn = 62493π m^2
Step-by-step explanation:
Some of the many possible answers can be..
3.3
2.2
0.5