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?

3.8b-7 + - 2.9b+9 Add the two expressions

The product of a number, and 0.28 is 13.44. which equation matches this statement

What is the factir and quotient of 24:4=6 and 4*6=24

Suppose you are a salesperson and each month you earn $1800 plus one fifteen of your sales. What must your sales be this month to earn $3000?

Which is bigger: 0.3 0r 1/3?

What is a fraction for 6.125

What is the value of x? (Hint: 3x + 6 + 48 = 90, and solve)

Mary bought these art supplies: 4 paint brushes @ $1.29 each, 6 dowel rods @ $1.49 each, a jar of paste @ $1.25, and 2 canvases @ $6.00 each. How much change did she get from $40? A. $12.65 B. $10.45 C. $8.25 D. $9.35

Cycle paths inc, makes bicycles, tricycles, and unicycles. last week they made 88 more bicycles than unicycles, and 5 times as many tricycles as unicycles. if they made 40 more bicycles than tricycles, how many unicycles did they make

What is the volume of the rectangular prism? 6 cm 9 cm 1 cm