Sam needs edging for a rectangular flower bed. The flower bed will be 10 feet by 3.5 feet. She knows the perimeter is found using the expression 2ℓ + 2w, or 2(ℓ + w). How many feet of edging should Sam buy?

A cube has a side length s of 7 centimeters. The expression 6s² gives the surface area of the cube and the expression s³ gives the volume. What are the volume, in cm³, and surface area, cm², cm of the cube?

To find the perimeter of a regular dodecagon, use the expression 12s, where s represents side length. If the side length of a regular dodecagon is 2.25 feet, what is its perimeter in feet?

The expression $$F=\frac{9}{5}C+32$$ gives the temperature in degrees Fahrenheit (°F) for a given temperature C in degrees Celsius (°C).

A. Find the temperature in degrees Fahrenheit that is equivalent to 42 °C

B. Water boils at 100 °C. At what temperature does water boil in degrees Fahrenheit?

Rosa sells pens. She pays $0.75 for each pen and sells them for $1.25 each. She uses the expression 1.25p - 0.75p, where p is the number of pens she sells, to calculate her profit. If Rosa sells 48 pens, what is her profit?

To find the perimeter of a regular octagon, use the expression 8s, where s represents side length. If the side length of a regular octagon is 1.5 feet, what is its perimeter in feet?

Evaluate the expression $$4a^2-\frac{b}{6}$$ when a = 6 and b = 36.