F(x) = -3 + 7 = 4
g(x) = -7 + 3 = -4
f(-3) - g(3) = 4 - (-4) = 4 + 4 = 8
Answer: 0.040
Step-by-step explanation:
Answer:

Step-by-step explanation:

Hope this helps!
Answer:
a = 15
Step-by-step explanation:
Substitute b = 12 , a = 9 into the equation
12 = 
12 =
← square both sides
144 = a² - 81 ( add 81 to both sides )
225 = a² ( take square root of both sides )
±
= a , then
a = ± 15
a > 0 , so a = 15
Answer: 1863m
69x31....2,139
12x23....276
2,139-276.....1,863
Hope this helped :)