If 3x + 5y = 42 and 9x + 7y = 78, then x + y = ?

A triangle has angle measures in the ratio of 1:2:3. What is the measure of each angle of the triangle?

Rashid can paint 2 square feet of fence of in 10 minutes. how long would it take him to paint a fence that is 6 feet high by 25 feet long.

A butterfly has a wingspan of 66 millimeters and a height of 6 centimeters which is greater and by how much

Mark's room is 12.3 wide and 17 feet long. Mark wants to cover the floor with carpet. How many square feet of carpet does he need? Do I multiply because the answer I got is 209.10

What is the equation of the line with m=2.5 and b=7

A lunch counter sells two types of sandwiches, roast beef and chicken salad. The profit on the sandwiches is $2 for chicken salad and $3 for roast beef. The amount of bread available is enough for 30 sandwiches.

Evaluate the following expression 40 - 8 - 102

The value of a computer is $1200. It loses 20% of its value every year. Write a function the represents the value y (in dollars) of the computer after t years. The find the value of the computer after 5 years.

You spent $50 on supplies for the bake sale Each item sold for $2. After the sale, you had a profit of $180. How many items did you sell?

Which of the following is a term, variable, and expression? a. 21 b. ab c. 5x2 d. h