Please help me it’s 8th grade math
Trying to see if it has a solution or not

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

True or false? a circle could be circumscribed about the quadrilateral below.