<u><em>Answer: = a⁷</em></u>
Step-by-step explanation:
add by the exponents. add it's add all together with exponents.
a³⁺a⁴=a⁷
=a⁷ and 7.
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Cost per ounce means you take the cost and divide it by the cost:
<span>3.36 / (21/2) </span>
<span>division of fractions changes to the multiplication of the reciprocal: </span>
<span>3.36 * (2 / 21) </span>
<span>3.36 and has 21 as a factor, so let's cancel it: </span>
<span>0.16 * 2 </span>
<span>$0.32 per ounce</span>
-5a^2 - 7a = -a x (5a + 7)
let me know if you have any other questions
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Answer:
19. y=5x+-1
20. y=-2.5x+4
Step-by-step explanation:
19: 9-4=5
-1+5=4 so m=5
b=-1
so y=5x+-1
20: -1-1.5=-2.5
4+-2.5=1.5
so m=-2.5
b=4
so y= -2.5x+4
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Answer
2x - 7 = 4
Step-by-step explanation:
