<u>The opposite of a negative is a positive.</u> The opposite of -7 would be positive 7, and the opposite of 25 is -25, but the opposite of -25 is 25.
Your <u>answers</u> are 7 and 25.
Answer:
n = - 10
Step-by-step explanation:
10(-3n + 8) = 380
-30n + 80 = 380
80 - 380 = 30n
30n = - 300
n = - 300 : 30
n = - 10
Answer:
neither of those are obtuse angles. the "must include a 90 angle" is the right triangle. the "has at least 2 equal side" is an equilateral triangle