If you add the measures of combined angles to find their sum, and then measure the larger angle with a protractor and get a different answer, what possible errors could you have made?

Janet is mixing a 15% glucose solution with a 35% glucose solution. this mixture produces 35 liters of a 19% glucose solution. how many liters of the 15% solution is januet using in the mixture? a. 25 liters c. 28 liters b. 7 liters d. 10 liters

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?