blake buys paperback from the used bookstore for $5 each. natalie purchased an annual membership to the same bookstore for $35
so she can buy paperbacks at a discounted price of $2.50 each. how many books would natalie and blake have to buy this year for their spending at the bookstore to be the same? what would their total cost be?

Need on this one asap im almost done with this subject

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.