There are 450 students, 20 teachers and 5 teacher's aides at Canyon Hills Middle School. What is the ratio of students to teachers and their aides?

A

9:2

B

90:1

C

1:18

D

18:1

Determine whether the given value is from a discrete or continuous data set. When a van is randomly selected, it is found to have a weight of 1831.2 kg. Choose the correct answer below. A.

The area of a rectangle is 36 square centimeters and it's length is 9 centimeters. What Is the width of the rectangle?

Nathan bought 3 packs of raisins a day for 11 days on the 12th day Nathan bought 8 packs of raisins. write an expression that matches the sentence above.

The whale swims down 300 feet to feed. What is the whale's elevation now?

The Polleys want to put in a swimming pool next summer. They need to save $6,000 over 12 months in order to achieve this goal. They set aside the same amount each month and after 7 months discovered they have saved $3,100.

Some researchers have noted that adolescents who spend a lot of time playing video or computer games are at greater risk for depression and for violence. This is an example of A.

Andrew bought a computer for $650 a printer for $135.89, and two printer cartridges for $28.79 each. How much did Andrew spend in all? Show your work and remember to include units.

Which equation, when solved, gives 8 for the value of x? O A + + = + 14 B. 1-9=31-12 C. 15-2="-4 OD 8 6 7 = 1 / + 14

Simplify. Remove all perfect squares from inside the square root. V450 = 1

Roger is renting a tuxedo for prom. Once he has chosen his jacket, he must choose from three types of pants, four colors of vests, and two different styles of shoes. How many different ways can he select his attire for the prom?