Answer:
Step-by-step explanation: If you divide 1221 by 11 and the quotient is a whole number without a reminder, then 1221 is divisible by 11.
Since it says -81 + -14, you add those two numbers which is 95 the you would add a negative because the highest number is negative. So the answer is -95 ft.
Answer:
x = 60
Step-by-step explanation:
The tip of the triangle's angle is 100 (b/c 180-80)
x + 100 + 20 = 180
x + 120 = 180
x = 60
Answer:
(5+7x)^2
Step-by-step explanation:
25+70x+49x^2
This is a perfect square trinomial
a^2 +2ab + b^2 = (a+b)^2
5^2 *2*5*7x+ (7x)^2 = (5+7x)^2
Answer:
3 Liters
Step-by-step explanation:
