What in the geometry of the toothpick pattens causes all three patterns to have the same rate of change?

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.