Answer:
3 months old
Step-by-step explanation:
9 months for birth
and then the other 3 months is the age.
Answer:
5. -18x^3y^4 +54x^2y^4
6. 6x^2 -40x +50
Step-by-step explanation:
Use the distributive property. The factor outside parentheses multiplies each term inside parentheses.
__
<h3>5.</h3>

__
<h3>6.</h3>

The Associative property of addition is being shown, because it doesn't matter the order of the terms.
Answer:
x=5
Step-by-step explanation:
Since 32 is 8 times 4 cm, then 40/8=5.
Answer:
=8 1/4 as a fraction or 8.25 in decimal form.
Step-by-step explanation:
The indicated operation is the product of the two fractions. Multiplication opens the brackets.
(-11/2)×(-3/2)
=(-11×-3)/(2×2)
=33/4
The negative signs before each term cancel out in multiplication and division.
=33/4 =8 1/4= 8.25
Choose 1 answer among the improper fraction, Mixed fraction or the decimal.