Micaela is 2 years older than sam. in 4 years, the sum of their ages will be 40. how old is micaela now? describe and fix any errors in the solution. let m = micaela’s age and s = sam’s age. m = s + 2 (s + 4) + (s + 2 + 4) = 40 s = 15 sam is 15.

On a piece of paper graph f(x)=5•(0.4)^x

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.