David counts the quarters in his change jar. He has 24 more quarters than his brother Rob. if r is the number of quarters Rob has, which expression represent the number of quarters and david and Rob have it all

If the diameter of circle M is 10 millimeters, what is the length of the radius of circle M?

What's a rational number between 7.7 and 7.9?

How many solutions are there to the system of the equations? 4x-5y=5 -0.08x+0.10y=0.10 A) no solutions B) One solution C) two solution D) an infinite number of solutions B is not correct

Currently, you have $60 and your sister has $135. You decide to save $5 of your allowance each week, while your sister decides to spend her whole allowance plus $10 each week. How long will it be before you have as much money as your sister?

Determine whether each question is biased. Explain your answer. A beverage company conducts a survey in the lobby of a health club to determine people's favorite beverage.

How many 2/5 cup servings are in 9/5 cups of ice cream? (in simplest fraction form) A) 1/2 B) 2/9 C) 5/2 D) 9/2

Why is it important to be able represent functions as tables, graphs, algebraic ally and verbally?

What is the difference in the length between a 1-1/4-inch button and a 3/8-inch button?

Find (t2-4t-4) + (7t2+12t+3). The sum is.

Write 0.000000092 in scientific notation