The image shows a wooden stick of length 8 cm resting on two cylindrical rollers. The radius of the blue and red rollers are 2 cm and 6 cm respectively. What is the distance (in cm) between the centres of the rollers? ​

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.