Hi there!
First we need to remember the following.

Now substitute both of the formulas.

Work out the parenthesis.

And finally collect terms.

~ Hope this helps you!
Answer:
8x6x4=192. So, the answer is 192.
Answer:
multiply by -3
Step-by-step explanation:
1/3 gives -3/3=-1
-1*-3=3
3*-3=-9
it defines the function f so that f(x)=-3x
Answer:
3/32
Step-by-step explanation:
To get this answer, multiply the numerators together and the denominators together
3x1=3
4x8=32
3/32
Answer:
23. a-T b-F
24. Words- *3* times the number of *feet*
Variable- Let *y* represent the number of *yards*
Model- (I can't do it)
Expression- The number of feet in*3* yards is given by the expression *3y*
25. 7.8
26. 8.3
27. 14.5
28. Yes. The communitive property tells us that we can switch any two numbers in a multiplication or addition problem
*I did that page like a month ago*