Simplify. (-5x + 6) - (-2x - 7)

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

For each given situation, determine if the method of randomization is either appropriate or not appropriate

When a whole number is multiplied by 104, how does the placement of the decimal point change? a. it moves ten places to the right. b. it moves four places to the left. c. it moves ten places to the left. d. it moves four places to the right.