Step-by-step explanation:
98 = 188t - 16t^2
-16t^2 + 188t = 98
-16t^2 + 188t - 98 = 0
8t^2 - 94t + 49 = 0
Use the quadratic formula with a = 8 , b = -94 , c = 49 to get the solutions
t = [(47 - root 1817) / 8]≈ 0.55
and
t = [(47 + root 1817) / 8] ≈ 11.20
I beleive 1 is C, and 2 is B!
Answer is Choice A - 1.
1 times 2 is 2, and 2 + 8 is 10.
Answer: 
Step-by-step explanation:
Rewrite it in the form
, where 

Use Square of Sum: 

Answer:
48.6
Step-by-step explanation:
Substitute 2 for x and 3 for y
Multiply
Simplify by rounding then add to arrive at
Answer