Please Help quickly :)
6x – 3x + 4 – 2x =

What will make this equation have one solution

X+4 is not the answer. X+4 would give me infinite solutions.

What is the frequency of the sinusoidal graph?

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?

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?