Three friends went to lunch. They all ordered the same meal. At the end of lunch they gave the waiter a $12 tip.

A. Write a algebraic expression to represent the situation.

B. How much total money was spent if each meal cost $7.50?

What is the center of the circle (x + 2) 2 + (y - 5) 2 = 2.25?

A game room has a floor that is 120 feet by 75 feet. A scale drawing of the floor on grid paper uses a scale of 1 units:5 feet. What are the dementions of the scale drawing?

What temperature is 5 degrees less than 4 degrees Celsius

The perimeter of a rectangular gaprden is 298 feet if the width of the garden is 65 feet what is it's length?

Simplify the expression 3 (9+4x-5)

the combined enrollment in the three grades at Jefferson Middle School is 977. there are 356 students in the 7th grade 365 in the 8th grade write and solve an equation to find how many students are in the ninth grade find an equation and a solution

The sum of three numbers is 185 The second number is 5 times the first. The third number is 13 less than the second. What is the second number?

Based on the generalization in (a) , find the sum of the sequence 9+27+45+6 ... + 117

After n years, the amount of money in William's saving account can be modeled by the function s (n) = 300 (1.0016) 12n, and the amount of money hiding in his desk drawer can be modeled by the function d (n) = 75.

Find the supplement of a 55° angle, in degrees.