Answer:
(a) 64 days
(b) 2 phones calls
Step-by-step explanation:
Answer: x = 0
Step-by-step explanation:
Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
Aidan has put 21 hours of work. To simplify it, Harry worked 7 hours and Aidan worked 7 x 3 times which equates to 21 hours.
For #1 the answers are
69 degrees
155 degrees
86 degrees
335 degrees
249 degrees
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