Can somebody explain this to me ? I’m trying to get better so instead of getting answers I’m tryna get tutored

The probability of winning something on a single play at a slot machine is 0.11. after 4 plays on the slot machine, what is the probability of winning at least once

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.