Write the sum using summation notation, assuming the suggested pattern continues. -3 + 6 + 15 + 24 + + 132

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row