Answer:
98
Step-by-step explanation:
Step 1: Define
2(x + y)²
x = 3
y = 4
Step 2: Substitute and Evaluate
2(3 + 4)²
2(7)²
2(49)
98
Answer : 3r+5 hope this helps!
Answer:
It will take her 13 hours
If i understood the question right, you're trying to find the value when h = -2. If that's true so here is how it's done:

√300 = √100.√3 = 10.√3 and √3 is approx 1.732 therefore 10*1.732= 17.32.
therefore the integers it's between are 16 and 17