I need to solve y=2x-4 solve for y algebraically? That for y

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account