Answer:
13
Step-by-step explanation:
, if x = -1
I think answer should be 200 please give me brainlest I hope this helps let me know if it’s correct thanks
I don’t think so but divide the top one by the bottom one for every one of them and if it is all the same answer they are proportional x/y
The probability of tossing tail would be 9/13
Answer:
(7y + 3x)(7y - 3x)
Step-by-step explanation:
a² - b² = (a + b)(a - b)
49y² - 9x² = (7y)² - (3x)² {a = 7y ; b - 3x}
= (7y + 3x)(7y - 3x)
