5t+10-4-t equivalent expression

Which statements are true about a decagonal (10-sided) pyramid? Check all that apply. It has one face that is a decagon. It has two faces that are decagons. It has 11 faces. It has 20 edges. It has 20 vertices.

Cody bought seven boxes of chocolate candy and three boxes of Carmel candy. If each box has eight pieces inside it, how much candy did he have total?

How many grams of 0.5% hydrocortisone cream must be mixed with 180 g of 2.5 % cream to make a 1 % w/w hydrocortisone cream? HINT: Use alligation method.

The manager of a radio station decides that on each successive evening (7 days per week), a Beethoven piano sonata will be played followed by a Beethoven symphony followed by a Beethoven piano concerto.

Bob roller blades 9 miles each morning. today, he averaged 10 miles per hour for the first 6 miles but then slowed to 5 miles per hour for the rest of the trip. how long did the entire trip take?

What does it mean if y and x equal zero?

A roller coaster begins at 90 feet above ground level. Then it descends 105 feet. Find the hight of the coaster after the first decent.

Determine the integer whose product with - 1 is 63

What is the standard deviation of the data set? 21 6 18 21 20 14 19 5.4 29.3 5.0 25.1

You randomly draw a marble from a bag of marbles that contains 3 blue marbles, 4 green marbles, and 5 red marbles. What is P (draw a blue marble)