Answer:
The product of x and y would be (8)(-1) = -8. by adding the two equations you get 2x = 16 so x = 8. then y = 7 - x = -1. Therefore xy = -8.
Answer:
there are 100 cm in every meter which means that dividing will convert ot to meters. you can make the conversion quick and easy by simply moving the decimal point in your measurement 2places or place values to left
Step-by-step explanation:
hope it will help you
Answer:

Step-by-step explanation:
a is a¹ and you have a^7 in multiplication you add the exponents. If you were to have a numerical value, you would replace a and calculate. If a = -5 then: a^8 =

which is = 390 625
This is how you do it :) let me know if you have any questions. Hope this helps :)
This question is saying that there is some point on the line where the x-value equals 4. So when x=4, what does y equal. I think this should be enough for you to be able to answer it now. If you need more help, though, just let me know