Mario is planning a charity dinner. each table costs $50 and each chair costs $7 to rent. the other costs of the dinner are $475. let trepresent the number of tables and let c represent the number of chairs. which of the following expressions represents the total cost of the dinner?

a. t + c + 475

b. 50t + 7c = 475

c. 7t + 50c + 475

d. 50t + 7c + 475

D. 50t + 7c + 475

Step-by-step explanation:

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.

35/2 is it i think maybe