5.3-2.8x-7.1+3.9x

I really can't figure it out, can someone do it step but step to?

Also do step by step for: 1/2x+7/12+3/5x-2/3

I saw a answer for this one but it was an improper fraction.

What is the supplement of an 87 angle?

What is 2.2 as a fraction in the simplest form

The y-value is ten decreased by the square of the x-value

Which equation represents a proportional relationship that has a constant of proportional equal to 4/5

5 eights greater than 2 thirds

A restaurant offers a lunch special for $5.99 that includes 1 sandwich, 1 side dish, and 1 drink. Menu Sandwiches: grilled cheese, turkey, chicken salad, roast beef Sides: potato salad, garden salad, pasta salad Drinks: juice, water, iced tea Use

A large soup pot holds 20 quarts. What could be its volume in liters?

Perform the indicated operation and write the results in the form a+bi 4i (-i+3) - 3 (6-2t)

While on a train trip, Marsha noticed that there were 35 people in her train car. After the next stop, there were only 21 people in her car. If p represents the percent decrease in the number of people in Marsha's train car, what is p?

Which of the following is a better buy: 8 pounds for $12.56 or 11 pounds for $16.83