I need some help with this, please. The output of a function is 9 less than 10 times the input. Find the input when the output is 11.

Y=4x^2+x-1 solve using quadratic formula

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41