Pleaseee hurry. 1. Which expression fit the pattern of a perfect square trinomial?
Type here
a. 9x2 - 6x +1
b. x² + 14x + 45
c (x + y)2 + 12(x + y) + 36
d. 3x2 + 5x +15

Question 10 multiple choice worth 1 points) (09.06) based on the graph below, what is the total number of solutions to the equation f) = ? 10.5 + 13,75 + 11 + 25 + 2.75 -6 -5 4 3 2- -2.75 g(x) 65 -8.25 - 13.75 - one otwo three four

Simplify. (-3ab^3)^4 a. -7ab^12 b. -12a^4b^7 c. -81a^4b^7 d. 81a^4b^12

Arectangular lawn is 14m long and 10m wide. a strip of uniform width is mowed around the outside of the lawn. how wide is the strip when the area of the unmowed portion of the lawn is 12m². (the answer is 4m, but i need to know how to solve it)