When writing an expression or equation to represent in real world situation why is it important to be able to describe what each part of the expression or equation represents

Marco and Drew stacked boxes on a shelf. Marco lifted 9 boxes and Drew lifted 14 boxes. The boxes that Drew lifted each weighed 8 lb less than the boxes Marco lifted. Let m represent the weight of the boxes that Marco lifted.

Solve for the veritable 7/28 = 25/x

Express each ratio as a fraction 15 minutes to 16 mins 12 brown eggs to 6 white eggs 6:4 164:200

Which function has two x-intercepts, one at (0,0) and one at (4,0) ? f (x) = x (x - 4) f (x) = x (x + 4) f (x) = (x - 4) (x - 4) f (x) = (x + 4) (x + 4)

A 12-pack of water costs $3.90. A 20-pack of water costs $5.60. Which is the better buy? Why?

15 is what percent of 30

A professor has recorded exam grades for 20 students in his class, but one of the grades is no longer readable.

Penny makes baskets and sells them for $12 each. The materials to make her baskets cost $2 per basket. How much will it cost her to make 24 baskets?

Which of the following is true about a nonlinear function? It has a constant rate of change. It can be curved. It looks like a straight line. It must cross the origin.

What is the correct classification of 7x^2+9x+4