I ned help asap i need answers for 1-7

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

Determine the intercepts of the line that passes through the following points. (15,-3)(15,−3) (20,-5)(20,−5) (25,-7)(25,−7)

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes