P = (V^2R) / (R+r) ^2

V, R are constants; r is a variable

Find dP/dr

A whole number is 6 more than 2 times another number. The sum of the two numbers is less than 50. This can be written in an inequality as x + 2x + 6 < 50, where x represents the smaller number.

1 qt = how many gallons

Michelle is a server in a restaurant. On a weekend night, Michelle earned $4 an hour and $65 in tips She made a total of $93 Write and solve an equation to determine how many hours she worked

If a quadrilateral has perpendicular diagonals, then it is a rectangle. Which of the following arguments is valid with respect to the conditional statement premise above? 1. A quadrilateral is a rectangle. Therefore, it has perpendicular diagonals.

English is spoken as the first or primary language in 78 more countries than farsi is spoken as the first language. together, english and farsi are spoken as a first language in 130 countries.

Suppose there are 297 students going on a feild trip if each schoolbus can carry 58 students estimate the number of buses that will be needed to transport all the students

Convert 258 degrees into radians

Jorge bought a car for $41,902. He paid for the car with a check. Round the price to the nearest:

Use distributive property to create an equivalent expression to 7x + 56

The average speed of an object (in feet per second) is determined by the equation S=4√d, where d is the distance in feet the object is dropped.