A boat traveled 27 miles in 2 hours at this rate how many miles will the boat travel in 1/2

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

This is different from the first one can someone me

What is the prime factorization of 23 ?me with this question