Choose the equations that are equivalent. Select all that apply. A. 52 = 8n + 4
B. 4(2n + 1) = 52
C. 4 = 52 – 8n
D. 4n = 48

An equation where variables are used to represent known values—function notation true or false

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Im so bad at fractions they are not my best math thing to work on