Which statements are true about the expression 8 (a+7)

If the food and beverages cost $21.60 before a 7% meal tax is applied, what is the total cost of the bill?

A hotel has a number of meeting rooms, m available for events. Each meetings room has 325 chairs. Write an equation to represent c, the total number of chairs, in all the meeting rooms at the hotel.

What is the first step needed to solve 4 over 7 multiplied by x minus 5 equals negative 13? A.) Subtract 13 from both sides B.) Divide both sides by 7 C.) Add 5 to both sides D.) Multiply both sides by 4

Analyze the following table of values. x y 0 - 1 1 - 4 2 - 7 3 - 10 4 - 13 5 - 16 Which of the following equations describes this relationship? y = - x - 3 y = 3x - 1 y = x - 3 y = - 3x - 1

A store has clearance items that have been marked down by 50%. They are advertising an additional markdown of 25% off the clearance price. A cashmere sweater has an original price of $345, but is now a clearance item.

Which procedure justifies whether - 3x (5-4) + 3 (x-6) is equivalent to - 12x-6? The expressions are not equivalent because and. The expressions are not equivalent because and. The expressions are equivalent because and.

How do I do systems of Equations - Elimination method

Explaining How to Evaluate an Expression Explain how to write and evaluate an algebraic expression that represents the situation. Adi studied for three more hours. Evaluate when h = 8.

The height in inches, of a frog jumping off a log can be modeled by the expression - 2 t ^ 2 + 12 t + 9 where t is time in seconds. the Frog reaches its maximum height at 3 seconds. what is the frogs maximum height?

3. A publisher printed 30,000 copies of an edition of a book. Each copy of the book cost the publisher 45Gp to produce and it is sold to the public for 76Gp.