9x mean 9 multipled with an unkown number and 9x is subtracted from another unknown number 'y' . you can substitute with any letters you want ,but you have to use two different letters.
The answer is a) 24 cubic feet
Subtract 15 from 7 and you get -8
So the answer is -8 degre C
Answer:
Rounded up or down?
Step-by-step explanation:
Answer:Its O.x^2-4x-21
Step-by-step explanation:
(x-7)(x+3)we multiplie one value with anothet in different brackets and we get x^2+3x-7x-21,add same constant with x and u get .O
