In isosceles ∆abc the segment bd (with d ∈ ac) is the median to the baseac. find bd, if the perimeter of ∆abc is 50m, and the perimeter of ∆abd is 40m.

Write a story that matches with the expression 42x-5 pls hurry

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract