A student read 3/16 of a book one week. 3/20 of the same book the next week, and another 15/68 the following week. How much of the book was read overall

If you answer 2+2 you will get over 80 points

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?