Answer:
Graph of solutions of:
y = x^2 -4 (red)
x + y + 2 = 0 (purple)
Step-by-step explanation:
Answer:
1.9
Step-by-step explanation:
First step would be to separate r from t

Then just insert the numbers

Answer:
3rd one
Step-by-step explanation:
That inequality can be written as n >= 4
The ">=" represents greater than or equal to. On paper you would just add a horizontal line under the ">" and not include the "="
Answer:
315
Step-by-step explanation:
10% of 350 is 35 so 35 times 9 would equal <u><em>315</em></u>