Write the solution to the given inequality in interval notation.

[-3,∞)
(-∞,-3)
(-3,∞)
(-∞,-3]

8) during a clearance sale, a keyboard that normally sells for $49.99 is discounted for $34.99. what is the percent discount?

For questions 1–3, use the differential equation given by dx equals x times y divided by 3, y > 0.

Aclothing store has just advertised at a bargain price, that a customer tries on a t-shirt is 0.40. a new range of t-shirts. the probability if a customer tries a t-shirt, the probability that they will buy it is 0.70 while if a customer does not try on a t-shirt, the probability that they will buy it is 0.15. a customer has just bought a t-shirt. find the probability that the customer did not try on the t- shirt.