an old woman is overweight . her doctor told her to decrease 35 kilos. if she loss 11 kilos in the 1st week 9 kilos in ther\ 2nd week and 7 kilos on the 3rd week . if she continues loosing at this rate , how long will take her to lose 35 kilos?

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?