12 pont's
ronny read for 2.75 hours yesterday. his older brother read for 1.18 hours and his younger brother read for 0.43 hours.

how long did the three brothers read yesterday altogether?

a. 1.14 hours
b. 3.12 hours
c. 4.12 hours
d.4.36 hours

Any greatly appreciated! you in advance. jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later she's sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions how much money did jody make? a.$65.00b.$5288.00c.$210.00d.$310.00

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Explain how you can show five less than a number using an algebraic expression