find the derivative:

y = (4xe^x) / (x^2+1)

The height, h, in meters above the ground, of a projectile at any time, t, in seconds after the launch is defined by the function h=-4t squared + 48t + 3. Find the maximum height reached by the projectile

The exact value of cos 5pi/12 is: A) 0.99 B) 0.26 C) sqrt2 (sqrt3-1) / 4 D) sqrt2 (sqrt3+1) / 4

You invest $500 for equipment to make dog backpacks. each backpack costs you $15 for materials. you sell each backpack for $15 when will you break even write an equation

Estimate the product then chose a method 96*34

Kira rode her bicycle 3 3/8 miles on Friday and 1 2/8 miles on saturday. which describes an equation that could be used to find how much farther kira rode on friday?

Emilio drove 450 miles on 18 gallons of gas. How far can he travel on one gallon?

What is 23 divided by 1058

Explain how to find all the factor pairs of 40

The number 0; when added to any number, the value of the number does not change

20.3 is 4 times as large as some number. What is the number?