Answer:
35$
Step-by-step explanation:
Set up a proportion
5hr=25
7hr=x
Cross multiply
5x=175
divide both sides by 5
x=35$
Answer:
14 sq inches
Step-by-step explanation:
you have the top and bottom = 2
then 3 * 4 for the sides, front, and back = 12
add them together and you have 14
thats for the parts you can see on the outside. i hope i did this right
6/5y-10=-4
move -10 to the other side
sign changes from -10 to 10
6/5y-10+10= -4+10
6/5y= 6
Mutiply by 5/6 for both sides
6/5(5/6)y=6(5/6)
Cross out 6/5 and 5/6 , divide by 5 and 6 then becomes y
Cross out 5 and 6 on the right side
x= 5
Answer : x= 5
Differnce of 2 pefect squares
a^2-b^2=(a-b)(a+b)
(p^2)^2-9^2=(p^2-9)(p^2+9)
p^2-9=(p-3)(p+3)
factored is
(p-3)(p+3)(p^2+9)
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