How do i solve this problem 3x-y+z=-1 2x+3y+z=4 5x+4y+2z=5

Derek spends three dollars on breakfast and $5.50 on lunch every school day how much does he spend on breakfast and lunch in a school week

Consider the following true conditional. Is its converse true? If so, combine the statements as a biconditional. "If a number is even, then it is divisible by 2

A children's birthday party at an indoor play center costs $50 to rent the space and $6.25 per child. Gina wants to spend no more than $100 on her son's fourth birthday party.

Which statement is false? O A. Every rational number is also real. O B. Every integer is also a rational number. O C. Every real number is also rational. O D. No irrational number is an integer.

List a pair of numbers that both have 1, 2, 7, and 14 as common factors. and Explain how you found your answer.

Suppose five days ago is Friday. What day of the week will be the day after tomorrow be?

Kevin is looking for a job as a piano technician. One classified ad lists a job that pays 64.6K. Another job he found has a weekly salary of $1,120. What is the difference in the weekly salaries of these two jobs? Round to the nearest dollar

A store owner want to develop a new snack mix by mixing chocolate and trail mix. How many pounds of chocolate costing $16.50 per pound should be mixed with 13 pound of trail mix costing $2.90 per pound to create a mixture worth $9.13.

At president Bush's inauguration in 2005, the newspaper headlines stated there were about 400,00 people in attendance.

There are 1.09 yards in a meter. gray ran in a 880-yard race. how many meters did he run?