Answer:
75 degree angle
heart if this helped :3
Try 1 1/6
Step-by-step explanation:
Answer: 7.8
you would multiply 3 x 2.6 and that would give you the answer
area of rectangle=length×width
=(x²+6x+3)×(3x²+4x-2)
=3x^4+(4+18)x³+(-2+24+9)x²+(-12+12)x-6
=3x^4+22x³+31x²-6