I am thinking of a positive number. If I square it, double the result, take half of that result, and then add 12, I get 21. What is my number?

A survey was taken on pet ownership. 750 people were covered on the first day of the survey. The number tripled every subsequent day. Find the total number of people surveyed in 6 days A. 265100 B. 265200 C. 273000 D. 265700

A square plot of land has a building 40 ft long and 20 ft wide at one corner. The rest of the land outside the building forms a parking lot. If the parking lot has area 9,200 ft2, what are the dimensions of the entire plot of land?

The number z and - 1.9 are additive inverse's. Drag and drop - 1.9 and z to their correct positions on number line. Drag and drop the label "Sum" to the sum of - 1.9 And z

Find the axis of symmetry for y=3x^2 + 5x-7

Evaluate the expression for the given value of the variable. |b-3|+|b^2+4|-3b^2-|-5-2b^2| when b=-2 14 13 28 -12 Other:

Phillip saves $8.00 a month. how long would it take him to save at least $60.

What is the product? (-3s + 2t) (4s - t) 0 - 1252-212 -1252 + 212 -1252 + 8 st - 2+2 O - 1252 + 11st - 2:2

Why can't the sum of two mixed numbers be equal to 2?

Try this trick out on a friend. Tell your friend to place a dime in one hand and a penny in the other hand. Explain that you can determine which hand is holding the penny. Here's how to do it: a.

What is the probability that a randomly selected child from this group will have red hair, given that he has straight hair? (Enter your answer as a fraction.)