Sandy is upgrading her internet service. Fats internet charges $30 for installation and $55.45 per month. Quick internet has free installation but charges $62.95 per month.

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

Order the equations from least to greatest based on the number of solutions to each equation.-4^x -1 = 3^(-x) – 2 -3x + 6 = 2^x+13^x – 3 = 2x - 2

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?