7(-6) - 3
-42 -3
-45
Your answer is -45
Answer:
50
Step-by-step explanation:

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We make use of the special form for the difference of squares:
(a+b)(a-b) = a²-b²
37 cards. 9 cards of every suit + 1 more card to guarantee the 10 cards by pigeonhole principle.
Answer:
29°: Acute 90°: Right 61°: Acute
Step-by-step explanation:
If an angle is less than 90 degrees, it is acute. If it is greater than 90 degrees, it is obtuse. If it is exactly 90 degrees, it is right.