Which of these needs to be completed first in order to construct a circle that
circumscribes a triangle?
A. the perpendicular bisectors of any two sides of the triangle
B. the lines perpendicular to any two sides of the triangle
C. the altitudes of any two sides of the triangle
D. the medians of any two sides of the triangle

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

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.

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters