The value of 1 quarter and 6 nickels is ___% of the value of a dollar

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

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?

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate