How would the expression x2-4 be rewritten using a difference of squares

The velocity of sound in air is given by the equation v = 20 √273 + where v is the velocity in meters per second and t is the temperature in degrees Celsius. Find the temperature when the velocity of sound in air is 369 meters per second.

The table represents a function. What is f (-2) ? 0 - 3 х -6 -2 0 3 f (x) 3 1 4 -2 T I I 0 - 1 O 1 O 3

What percent of 75.5 is 81.54

How do i simplify fractions?

Add 3 7/12 + 2 7/9. Simplify the answer and write as a mixed number.

When y is 3 and x is 5 what's the constant of variation

Find the value of c so that (x+1) is a factor of the polynomial p (x). p (x) = 2x^4-5x^2+cx+1

A company ordered 10 boxed lunches from a deli for $74.50. each boxed lunch cost the same amount. which equation represents the proportional relationship between y, the total cost of the nixed lunches and x, the number of boxed lunches? A) 7.

Change the following numbers into percent 0.05

Calculate the discriminant: 5x² + 2x - 2 = 0