when I double my number subtract three subtract my number and add four I get my number plus two what is my number

Two lines that do not intersect are skew. always sometimes or never

Nine more than four times a number is the same as one less than twice the number. find the number?

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12