Which is the unit rate, k, in the proportional relationship y = kx shown in the table? –4

−1/4

1/4

4

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.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .