Is xy = 1 a function

1. SAT scores were originally scaled so that the scores for each section were approximately normally distributed with a mean of 500 and a standard deviation of 100.

The ratio of lime juice to soy sauce in a salad dressing is 7:6. The total of both ingredients is 39 tablespoons. How many tablespoons of each ingredient are used?

If m (x) = (x+5) / (x-1), which function has the same domain as (m•n) (x) ? 1. h (x) = (x+5) / 1) 2. h (x) = 11 / (x-1) 3. h (x) = 11 / (x-4) 4. h (x) = 11 / (x-3)

A taxi charges a flat fee of 4 dollars plus 2.25 per mile how much will it cost to travel 8.7 miles

A new school randomly assigns a six-character student code to every prospective student. The school uses the characters 1, 2, 3, 4, 5, X, Y, and Z.

Is the gcf of two even numbers always even?

What is x=1-4y in slope - intercept form

Cory is making a poster of common geometric shapes. He draws a square with a side of length 4 3 cm, an equilateral triangle with a height of cm, a circle with a circumference of 8π cm, a rectangle with length cm, and a parallelogram with base 3.

What is the worst thing to make in pottery class

Blank is 5 times as much as 27