The area of a rectangle is 2r^2 + r - 1. The length is 2r - 1. What simplified expression represents the width?

Differentiate the function. y = (4x - 1) ^2 (4 - x^5) ^4 dy/dx=

a hot air ballon cruising at 1000 feet begins to ascend. it ascends at a rate of 200 feet per minute Writing problems into slope intercept form

There are 300 men and women at an afterschool meeting. 3/5 of the people are women. How many women are at the meeting? How many men?

21.3-8=13.3. How did you get your answer? Show your working.

Dalton has a collection of 18 antique tin toys, including 2 airplanes. If Dalton randomly selects a toy, what is the probability it will be an airplane? (Write the probability as a fraction in simplest form)

What is the value of the missing exponent in the expression below 523 : 10□ = 52.3

2x+3=x+x+3 Show your work

Based on the lesson, identify the first operation needed to solve the following equation. 2x + 3 = 11

Three different ways you can add the same addends to make 12

A farmer is enclosing a rectangular area for a pigpen. he wants the length of the pen to be 20 ft longer than the width. the farmer can use no more than 100 ft of fencing.