How do u convert 0.81 into a fraction

Which of the following expressions represents a function? a. x2 y2 = 9 b. { (4, 2), (4, - 2), (9, 3), (9, - 3) } c. x = 4 d. 2x y = 5

A number less than 85 the number has 26 and 6 as factors

7.6375 correct to 2 decimal place

During a sale, customers receive an extra discount if they spend $200 or more. So far, Erin's purchases total $135. Which inequality can be solved to show how many more dollars d she must spend to receive the extra discount?

The following week, Gwen walked a total of 15 7/8 miles. How many more miles did she walk the second week than the first week?

What is the value of 54 - 4a^2 3b^3 when a = - 2 and b = 4? 4. solve the equation for b:

Find fl-2) for the function f (x) = 312 - 2x + 7

The students going on Service Adventure had a 2,367-kilometer flight. If their travel time was 2 hours Andy 56 minutes, what was their averge speed in kilometers per hour?

The dimensions of a rectangular prism are measured in centimeters. What unit will the volume of the prism be measured in? centimeters square centimeters cubic centimeters meters

Naomi's sack lunch weighs fourteen sixteenths of a pound. Brodys sack lunch weighs six sixteenths of a pound. what is the difference between the weights of their sack lunches?