You have nine gold coins, but one isn't pure. one has been minted with a cheap alloy, and is known to be heavier than the others. you have a simple balance scale. how do you determine the impure coin with only two weighings?

Drag each system of equations to the correct location on the table. Classify each system of equations as having a single solution, no solution, or infinite solutions.

Regular triangular pyramid has the slant height k=12 cm and lateral area AL = 198 cm2. Find the length of the base edge.

What expression is equivalent to 2x + 6?

Ammo 67 match each definition on the left with the correct term.

What is 2/3p + 4/3p - 1/3p

Another way to write 9 x 200

A music practice room is used 12 hours a day. If each practice session is 3/4 hour long, how many sessions are there in a day?

Rigo and Ian went shopping for soccer cleats and practice uniforms. Rigo spent $451, before taxes, and purchased three uniforms and one pair oof cleats. Ian spent $757, before taxes, and purchased five uniforms and two pairs of cleats.

Alex spent 85% of his money on a surfboard. the surfboard costs $340. How much money did Alex have left after he bought the surfboard?

The circle below: 105 m A) 349.8 m2 B) 346.4 m2 C) 352.1 m2 D) 3442 m2 E) 354.8 m2