Daniel is choosing between two cellphone plans. “Plan A” charges $80 per month, which includes unlimited text messaging. “Plan B” costs $20 per month plus $0.15 per text message. What is the system of equation that represents the fees of both “Plan A” and “Plan B”? identify what your variables represent.

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

Need showing work for this problem 56.25 ×25.80

Solve for the equation. 4x - 13 = 2x + 9