Answer:
-a +27=28
Step-by-step explanation:
2a+12-3a+15=18
-a+27=18
Answer:
32
Step-by-step explanation:
the x is not a variable
7) y= x^2-4x
8) y= 2x^2-3x+1
9) y= 9x^2-4
Answer:
-25/8 I think
Step-by-step explanation:
Answer:
27/8 or 3 3/8, 3.375, (3/2)^3
Step-by-step explanation:
<h2>convert the mixed number to an improper fraction</h2>
-9/4 divided by -2/3
<h2>dividing two negatives equals a positive; (-) + (-) = (+)</h2>
9/4 divided by 2/3
<h2>to divide by a fraction, multiply by the reciprocal of the fraction</h2><h2>( flip, keep, change )</h2>
9/2 x 3/2