How do I write two hundred fifty million in expanded notation using powers of ten

Simplify: (12 divided by 3) to the second power - 5 x 2+12

Given the equation Square root of 2x plus 1 = 3, solve for x and identify if it is an extraneous solution.

Alexis goes to the flower shop and buys 6 tulips and 4 daffodils. The total cost is $46. Marci goes to the same flower shop and buys 3 tulips and 5 daffodils. The total cost is $41.75. The bills do not list a per item price.

Two parents each have blood type AB, and their first child is blood type AB. What is the probability that their second child will have blood type AB? (Express the probability as a percent. Enter the number only without the percent sign.

Is 1 - 8 (10 - 3) equivalent to 6 + 2 + 4x

Factorise completely 4y^2-z^2

the sum of r consecutive positive integers will always be divisible by 2 if r is a multiple of 1. 6 2. 5 3. 4 4. 3 5. 2 ... ?

Which of the following is not a possible value for a probability? A. 0.001 B. 1/10 c. 11/10 d. 1/16

Which type of bankruptcy is sometimes called "straight" bankruptcy and involves the liquidation of all of the nonexempt assets an individual owns to immediately pay off debt to creditors?

Zoe watched 6 episode of her favorite online video series in 1.5 hours. she spent the same amount of time watching each episode. what is the unit rate of hours to episode?