Write a variable expression for each word phrase. - the sum of r and c - nine less than a number, x - divide a number, z, by 7 - 6 increased by a number, n - twice a number, x - the cost of p photocopies if each one costs $0.15

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

Choose the more precise measurement. 26.4 cm or 8.39 cm

Identify the number as a regional or irrational. explain. 291.87