Answer:
- 39
Step-by-step explanation:
x³ - 3y
Put x as -3 and y as 4.
-3³ - 3(4)
Solve for power and multiply.
-27 + - 12
Add the terms.
- 39
Answer:
Step-by-step explanation:no
Answer:
Devante is 23 and Savannah is 32.
Step-by-step explanation:
We can set up a system of equations.
s - savannah's age
d - devante's age
s = d + 9
s + d = 53
Now we can substitute (d + 9) for s in the second equation.
(d + 9) + d = 53
2d + 9 = 53
2d = 46
<u>d = 23</u>
To find Savannah's age, we just add 9 to Devante's age. (plugging in 23 for d)
23 + 9 = 32
<u>s = 32</u>
Answer:
hold up this will take a min to work out
Step-by-step explanation: