What is the estimate of 3 1/5 - 2 1/2 + 2 3/5? Show your work

Solve the problem by making up an equation. a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 3 times the age of the child?

What is the solution set of the quadratic inequality x^2-5< or equal to 0

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: