What is x if 2/3 (x + 7) = 10

A pizza is $6.98. how much is the pizza, with a 50% off discount?

Does anybody know the answer to this probelm (3z 5 + 7z 2) 2

A triangular plot of land has one side along a straight road measuring 294 feet. a second side makes a 63degrees angle with the road, and the third side makes a 56degrees angle with the road. how long are the other two sides?

Jenna Lynda 4 3/10 from school. she estimates that she travels 40 miles each week. is her estimates an overestimate our an underestimate? explain.

If two lines are perpendicular and they intersect at an angle that measures 5x - 12, what is the value of x?

In the diagram, a building casts a 21-ft shadow and a flagpole casts a 6-ft shadow. If the flagpole is 15 ft tall, how high is the building?

jacinta says that the product of a positive and negative rational number is always irrational. explain her error.

Denny lives in Maryland and pay 6% in sales tax. He just bought $145 in groceries, but $70 worth of those groceries were non taxable. What is the total amount that Denny paid for the groceries, including the sales tax?

Yun is making some investments in the stock market. Stock for Company A has a 30% chance of losing $12,000, a 45% chance of breaking even, and a 25% chance of earning Yun $11,000.

Is 24.4 irrational i need to know