Which equation is quadratic in form? 2(x + 5)2 + 8x + 5 + 6 = 0
x6 + 6x4 + 8 = 0
**7x6 + 36x3 + 5 = 0**
4x9 + 20x3 + 25 = 0

Read the following two statements. then use the law of syllogism to draw a conclusion. if the tv is too loud, then it will give me a headache. if i have a headache, then i will have to rest.

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi