Find the slope that passes through -3,1 and 7,5

△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

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