17. What is the expanded form of 12.309? A. (1 x 10) + (2 X 1) + (3 x D) + (9 x 100) (B. (1 x 10) + (2 1) + (3 x 7o) + (9x7,000) C. (1 x 10) + (2 1) + (3 x 700 100) + (9x ,000 D. (1 x 10) +(3 x 1) + (3 x 7) + (9 x 7b0)​

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

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