NEED HELP ASAP How many real-number solutions does 4x2 + 2x + 5 = 0 have?

1:One

2:two

3:zero

4:infinitely many

What is the square root of 45? (step by step working plz)

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.