Find the constant of proportionality (r) in the equation y=rx

Evaluate without a calculator: 17.1·27-17.1·33+17.1·16

The mean average cost of standard room per night at a hostel is £20.60. Therefore, how much does a standard room cost per night at Night-Time Rest Days?

5. One day when Terry went to school the temperature outside was - 15 degrees Fahrenheit. In Terry's classroom the temperature was 68 degrees Fahrenheit. How many more degrees was it inside the building than outside? A. + 53 degrees B.

Find the ratio a:b, if it is given that a/2 = b/5

The equation |x - 8| = 3 represents the minimum and maximum percent of people in a survey who are undecided about an issue. What percent of the people in the survey are undecided about an issue?

A number from 8 to 15 is drawn at random. What is the probability that the number is an even number?

What is the area of a circle with a radius of 8

Audrey is playing a game with a spinner. The spinner has three sections: red, blue, and green. Audrey wants to find out if the spinner is fair. To test this, she spins the spinner 100 times and records the relative frequency of each outcome.

The number of students to adults is 10:2 if there are 477 students how many teachers are there

What is the value of x in the equation 5 x + 3 = 4 x? - 3 Negative one-third One-third 3