Which of the following will result in a rational number? Select all that apply. A. 14√7+512

B. 19√7+715

C. 2√7−57

D. 2√7÷57

PLEASE HEL IM DOING A UNIT TESTTT

What kind of bond pays interest which is exempt from tax?

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?