Enter the following phrase as an algebraic expression. let x represent the unknown number. four times a number increased by 9. the algebraic expression is?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

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: