(7)^2-4(5)(-6)=
49+120=169 is the answer
The answer to your question is 77 because the formula for area for a triangle is A=1/2BH and the base is 11 feet and the height is 14 feet. So, (14•11)/2 is 77. Therefore, 77 squared feet is the answer.
20x^2+50 = -40x^2+110x [ Taking x as the unknown positive integer ]
Answer:
105 cm squared.
Step-by-step explanation:
(9)(6) + (6)(6) + (1/2)(5)(6) = 105.