What's the reciprocal of 7⁄9 ? a. 9⁄7 b. 14⁄18 c. 48⁄15 d. 16⁄15

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

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: