What is the vertex of the graph of y = 3x2 + 2x + 1? -1/3,0 -1/3, 2/3 1/3,2 1/3,0

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Simplify (8x2 − 1 + 2x3) − (7x3 − 3x2 + 1). −5x3 + 11x2 − 2 5x3 − 11x2 + 2 x3 + 2x2 + x3 x3 − 2x2 − x3

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?