Answer:
30 C
Step-by-step explanation:
How to find difference: t1 - t2
Subsitute:
18 - (-12)
Double negative signs make a positive.
18 + 12
30
Answer:
4000 + .06x ≥ 7000
Step-by-step explanation:
76 divided by 4 is 19. Add a zero and the answer is 190.
2 divided by 3. Or for a fraction: 2 over 3.
Answer:
Step-by-step explanation:
We must follow order of operations rules here.
Let the number be x. Then 5x^2 + 2 = 45. No parentheses needed here.
Then 5x^2 = 45, and x = ±9