Answer:
f(x) + g(x) = x^2 + 4x + 35
Step-by-step explanation:
Add like terms from f(x) and g(x):
f(x) + g(x) = x^2 + 3x + 28 + x + 7, or
f(x) + g(x) = x^2 + 4x + 35
9514 1404 393
Answer:
60
Step-by-step explanation:
Let m represent the mark Cheryn scored on her first quiz. Then her average is ...
(m +76 +89)/3 ≥ 75
m +165 ≥ 225 . . . . . . . . multiply by 3
m ≥ 60 . . . . . . . . . . . . subtract 165
Cheryn scored a minimum of 60 marks on her first quiz.
This is not my level but i can try to solve it
Answer:

Step-by-step explanation:
In a right triangle, the side adjacent angle a is 12, the
hypotenuse is 24.
Angle 'a' is 12
hypotenuse is 24


opposite side = 24 times sin(12)=5


adjacent side = 24 times cos(12)=23.5

