How do you know that 21 over 30 is greater than 2 over 3

Two ants race across a table 61 cm long. one travels at 5.13 cm/s and the other at 3.99999 cm/s. when the first one crosses the finish line, how far behind is the second one? answer in units of cm

The width of a rectangle is twice it's height if the perimeter is 54 inches find the area

The table below shows the relative frequencies for part-time and full-time employees at Companies A and B. What percentage of employees at Company A are full-time employees? Employees at Companies A and B Part-time Full-time Total Company A 0.07 0.

Soren earned money by shoveling snow for his neighbors. Mr. Rodriguez paid him $1.00 for every 10 minutes of work. Mrs. Kaylor paid him $2.00 for every. 4 hour. which neighbor paid him the most money per hour?

Question 2: You want to donate 30% of the $400 earned at your yard sale to charity. How much should you donate? What is 10% of the total? Your answer What will 30% be? Your answer

Erica solve the equation negative 5X - 25 equals 78; her work is shown below identify the error and where it is made

A tool box has the dimensions of 9 in by 3 in by 5 in. If Sadie plans to double one dimension to build a larger tool box, she believes she would double the volume of the tool box.

How do I solve for n? 13=n-8

The low temperature in Minneapolis was 15°F below zero and the high was 23°F above zero. What was the range in temperature in Minneapolis? A. - 23°F B. - 15°F C. 8°F D. 38°F

Simplify: 5x - 12y + 8x + 2x2 + 4x2 13x2 - 12y + 6x4 13x - 12y + 6x2 -3x - 12y + 6x2 7x2y