The circumference of a circle increases as the diameter increases, where π is the constant of proportionality. Which of these is the constant of proportionality for the length of an arc on a circle for a particular value of θ (in radians) ?

Su and Anthony live the same distance from school. Su bikes 5/8 of the way to school in five minutes. Anthony walked 1/8 of the way to school in five minutes. Who went to the greater distance.

It takes 2 wooden sticks and 1.5 square feet of paper to make a kite, and it takes 12 wooden sticks and 8 square feet of paper to make a lamp.

Tom has 100 baseball cards and 120 football cards. What is the ratio of baseball cards to football cards?

Of 40 questions, amy got 10% right. how many questions did amy get right.

Find the estimate for 4.185 divided by 0.93

Michael and Lindsey are saving money. Michael begins with $20 and saves $5 per week. Lindsey begins with no money but saves $10 per week. Enter the number of weeks it will take for Lindsey and Michael to save the same amount of money.

Find and interpret the marginal frequencies.

On a recent Saturday, a total of 1086 people visited a local library. Of these people, 269 were under age 10, 466 were aged 10-18, 185 were aged 19-30, and the rest were more than 30 years old. One person is sampled at random.

A company sells desks for $155 each. To produce a batch of x desks, there is a cost of $83 per desk and a fixed or setup cost of $9,300 for the entire batch. Determine a function that gives the profit in terms of the number of desks produced.

Find the perimeter of a triangle xyz (0,2) (4,-1) (-2,-1)