An equation and the first step in its solution are shown. Equation: x2 + 3x – 9 = 0 Step 1: x2 + 3x + h = 9 + h What value of h is used to solve the equation by the method of completing the square? A. 3 2 B. ( 3 2 ) 2 C. 9 2 D. ( 9 2 ) 2

10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.

i need a picure

step-by-step explanation:

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt

step-by-step explanation:

what grade level is this? need to know so i can look in my old textbooks!