Sam sells two notebooks for $3.50 each and a pen for $3. He earns a profit of $1. Sam's profit represents what percent of the total sale?

If a rope that is 29.7 inches long is cut into equal pieces that are 2.25 inches long, how many pieces of rope can be created

Ommy Teacher wants to analyze the weights of the students at his school. He knows the weight of the students is normally distributed so he can use the standard normal distribution.

There are 5 times more boys than girls total number of students is 2814

What is decimal representation of 27/100

Which of the following decimal numbers equals 4 thousands, 9 hundreds, 2 tens, and 6 ones?

There are twice as many Robins has blue jays and their 21 altogether how many blue jays are there

Tony measures a drum stick and gets a length of 31 centimeters kate converts tony's measurements and gets 3.1 is her answer reasonable tell how you know

Solve 7 + 2x ≥ - 5 - x

How many solutions does the equation 2+6 (x-4) = 3x-18+3x have?

A coin is tossed 2 times. find the probability that all 2 tosses are tails