Solve the system of equations.
2x - 2y = 6
3x + 2y = 9
a. x=0,y=3
b. x=3,y=0
c. x=1,y=-2
d. x=-2,y=-1

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

What is the value of x? enter your answer in the box. x = two intersecting tangents that form an angle of x degrees and an angle of 134 degrees.

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