Use models to prove that 3 (a+b) is equivalent to 3a + 3b

Willy left the hardware store and traveled toward the recycling plant at an average speed of 33 km/h. Mary left two hours later and traveled in the same direction but with an average speed of 55 km/h. How long did Willy travel before Mary caught up?

9.8g of sugar is needed for every cake made. How much sugar is needed for 4 cakes?

What is the difference of the polynomials? M^2 n^2-7

There are three schedule options for classes at a high school: 90-minute classes every other day for a year, 90-minute classes every day for a semester, or 45-minute classes every day for a year.

To convert the distance of 2180 yards to miles, which ratio should you multiply by?

1=5. 2=10 3=15. 4=10 5=x. what does x equally

What is 32 quarters equal blank gallons

A bag has 10 yellow marbles and 4 blue marbles half of the blue marbles are made of glass a marble is selected at random from that bag what is the probability that it is a blue glass marble

Calculate the tax levied on property based on assued value. round to the nearest hundredth. $75,000 market value 80% assessed value $1.75 per $1,000=

Solve the equation 2x+8=12+10x