The sum of two numbers is 78. their difference is 32. write a system of equations that describes this situation. solve by elimination to find the two numbers.

A rectangle has side lengths (2x-5) meters and (2x+6) meters. write and simplify an expression to represent the perimeter of the rectangle

12) Beginning with the quadratic equation y = ax2 + bx + c, Fred calculated and then plugged that number in for x to get a y.

Solve for x ... 5x+18=45

A jar of mayo is shaped like a cylinder. The radius of the jar is 1.5 I Chen's and it's height is 7 inches. The mayo sells for0.08$ per cubic inch what is the cost of the mayo

How much water is in an empty glass that is 10cm high and has a diameter of 5cm

The coordinates of the vertices of triangle ABC are given in the table. A B C (4,2) (6,7) (13,1) Triangle ABC is reflected across y=-x. What are the vertices of triangle A'B'C'? Enter your answers in the boxes. A': (, ) B': (, ) C': (, )

What is the solution to this equation? 3x - x+8+5x-2=10

Express each of the following as a fraction in lowest terms 1: 3/6 2: 2/8 3: 12/20

Randi earned a profit of $60.00 on her last snow shoveling and salting job. Write an equation that can be solved to find how many hours Randi spent shoveling and salting to earn a profit of $60.00. HINT: Randi charges $25 an hour to shovel and salt.

The lengths of the sides of a triangle are 4, 5, 6. Can the triangle be a right triangle?