Does y=2x have the constant of porportionality of 2

What is (-4z^2-11u) - 5z^2

A customer purchased a jacket for $65. This was 80% of the original price. What was the original price?

School nurse can give 25 I test two hours. How long will it take for the nurse to give a test to all 600 students in the school

Given the equation of the circle x2+6x+y2=7 use completing the square and factoring to write the equation in standard form .

Order these numbers from least to greatest. 11 , 3.30 , 175 , -10

What is 12/9 to the simplest form?

Round to the given place value position 265,409

work out the area of a circle with diameter 1.8cm take pie to be 3.142 and give your answer to 1 decimal place.

The perimeter of a rectangle is 24 inches. Find the dimensions if it's length is 3 inches greater than its width

A store sells five models of cameras for $190.00, $420.00, $270.00, $300.00, and $420.00. If the sales tax rate is 6%, what are the mean, median, mode, and range of the total cost of the cameras?