In some countries the budget for defense exceeds the budget for education by $630.9 billion. if x represents the budget for education in billions of dollars how can the budget for defense be represented?

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

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?