The graph of which function has an axis of symmetry at x = -1/4? A. f(x) = 2x^2 + x - 1
B. f(x) = 2x^2 - x + 1
C. f(x) = x^2 + 2x - 1
D. f(x) = x^2 - 2x + 1​

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza