Using a graphing calculator to solve the system of linear equations 2.1x+4.2y=14.7
-5.7x-1.9y=-11.4

An apartment has a replacement cost of $950,000 and contents valued at $1,450,000. it has a classification of a and a territory rating of 3. find the annual premium a) $10,185 b) $9,230 c) $3,155 d) $13,830

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25