Which of the following best represents the circumference of a circle whose radius is 6.75 cm? ​A​13.5​cm
​B​6.75 cm
​C​27 cm
​D​42.39 cm

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240

In the diagram below,abc is congruent to dec what is the value of x

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?