The mean of a set of data is 45 years. find the missing numbers in the data set {40, 45, 48, ? , 54, ? , 45}. explain the method or strategy you used.

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.

Find the minimum value of p=10x+26y the constraints are x+y less than or equal to 6, 5x+y greater than or equal to 10, x+5y greater than or equal to 14

There's a question i found online to comparing quantities, which has 6 parts, but the answers don't correspond with questions i have.