Expand the expression 7 (9x-2)

Solve for u. u/2=1 u=?

A scientist uses a submarine to study ocean life

Martina estimates that the surface area of the rectangular prism with a length of 13.2 feet, a width of 6 feet, and a height of 8 feet is about 460 feet is her estimate reasonable? Explain your reasoning

Mrs. connors went to a shopping mall and spent 3/5 of the money she had in her wallet at a department store. She bought new pots and pans and spent $35 on a pair of jeans.

At the sixth grade school dance there are 132 boys, 89 girls, and 14 adults

2. mrs. barlow's math class took a test yesterday. out of 70 students, 70% of them passed. how many of mrs. barlow's students passed the test?

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?