Find the sum of these polynomials.
(x2 + x + 9) + (7x2 + 5) =
A. 8x^2 + x +4
B. 8x^2+x+14
c. 7x^2+x+4
D. 7x^2+x+14

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need