At Nelia's family reunion, 4 out of every 5 people are 18 years of age or older. Half of the remaining people are under 12 years old. If 20 children are under 12 years old, how many people are at the reunion?

Solve the equation cd d = 6 for c.

Expand. Your answer should be a polynomial in standard form. (x-5) ^ 2 =

Jasmine has a bag of 48 peanuts. She eats 3/4 of the bag during the baseball game. How many peanuts does she have left? Explain and show how you got the answer.

Leah wants to see a castle in an amusement park. She sites the top of the castle at an angle of elevation of 45°. If she knows the castle is $160 from her how tall is the castle prom at her level of vision?

What is 1,430,000,000 in scientific notation?

Can 46.65 be used for minutes?

Alice has 150 sweaters on the shelves of her store each shelf holds 24 what is the minimum number of shelves she will need for display

What number is 76 more than the product of 13 and 8?

You work at a restaurant as a host and a server. You earn $9.45 for each hour you work as a host and $7.65 for each hour you work as a server. This week you made $160.65. Write an equation in standard form that models your earnings.

3x + 2y = 6 2x + 5y = 7