3x^2 - x - 2 = 0. my homework wants me to solve this quadratic equation and show all the work

Social Security numbers contain nine digits. Suppose that all nine-digit numbers are allowable Social Security numbers. Is there a one-to-one correspondence between allowable Social Security numbers and U. S. residents? You may assume that the U. S.

Which situation could be modeled by the expression 13:5? A. One-third pound of sugar is used for 5 cupcakes. How much sugar is used for each cupcake? B. Three cups of sugar are used for 5 cupcakes. How much sugar was used for each cupcake? C.

Use the x-intercept method to find all real solutions of the equation. -9x^3 - 72x^2 - 96x+36 = 3x^3 + x^2 - 3x + 8

Nate operates an orange juice stand. On Monday he used 1 3/4 bags of oranges. On Tuesday he used 1/2 as many oranges as on Monday. How many bags of oranges did Nate use on Tuesday? Nate operates an orange juice stand.

An expression is shown: martha evaluates the expression using these steps: step 1: step 2: step 3:

A is a horizontal bar used in mathematical notation; in fractions it is the bar that separates the numerator from the denominator, in repeating decimals it indicates a group of repeating numbers.

The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal costs $78.58 before the discount, and they leave a 20% tip.

Angle θ is in standard position. if sin (θ) = - 1/3, and π < θ < 3π/2, find cos (θ). A. - (2√2) / 3 B. 4/3 C. 2√2/3

The box plot represents the number of hours of battery life in different cell phone what is the maximum battery life 30hours 23hours 27hours 18hours

start with y=x 3. vertical stretch by a factor of 2; translate 1 unit to the left and 3 units up. what is the equation, domain, and range?