HELP PLEASE!! Add these two expressions.
(–45t + 53s) and (–3 – 75s + 2t)

A. 65t + 415s – 3
B. –145t – 115s – 3
C. –115t + 113s – 3
D. 115t – 415s + 2

Joanie watched 1 out of three of a movie in the morning

You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?