<span>(-5y^3 - 7y) + (7y^3 + 8y +9)
</span>
-5y^3+7y^3-7y+8y+9 <---- Group like terms
-5y^3+7y^3+y+9 <---- Add similar elements
Answer: 2y^3+y+9
Read it carefully as it may look confusing with the symbols.
The rate or slope is 2.15 $/gal
2.15 x 15 = 32.25
Answer:
x - 7 = age of whatever you are finding the age of
Step-by-step explanation:
seven years younger implies that you are taking away so we minus it from our variable, Tates age is the variable since it does not tell us his/her age in the statement given.
Answer:
the square root may be applied only if the constant is positive
Step-by-step explanation:
Answer:
16 - 9 = x
Step-by-step explanation:
