What kind of solution(s) does ax^2-bx+c=0 have if b^2-4ac< 0?

a. two real solutions
b. one real solution
c. one complex solution
d. two complex solutions

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?