Question for first one not shown is - 4x^2 +7x +2=0Please answer all fast

Solve Not yet answered Select one: Marked out of O A. -7417 Tim 1.00 F Flag O B. x = 2 and x = - 1 question O C. x = _ and x = -2 OD. * = 71 17 8 Question 10 The square of a positive number plus 7 times the number is 540. Find the number. Not yet answered Answer : Marked out of 1.00 Flag question Question 11 The number of distinct zeros for the equation d' + 6d + 10 = 0 is/are Not yet answered Select one: Marked out of O A. 2 1.00 Flag O B. 3 question O C. 0 OD. 1 Question 12 Not yet When ordering the numbers V1 254, 11, 4V25, 5 V8, 2V174, the greatest value is answered Select one: Marked out of 1.00 O A. V1254 Flag O B. 4V/25 question O c. 2V/174 O D. 11