How can you use similar triangles to describe why the pantograph works as it does?

What is the focus of the parabola given by the equation y = x2 - 2x - 3?

1. The sum of three consecutive odd numbers is 243. Find the largest of the three numbers.

What expression is equivalent to (5z^2+3z+2) ^2

Find the solution (s) to the system of equations represented in the graph. They intersect at 0, negative 4 and 4, 0 (0, 4) and (4, 0) (0, 4) and (-4, 0) (0, - 4) and (4, 0) (0, - 4) and (-4, 0)

The senior classes at High School A and High school B planned separate trips to Yellowstone National Park. The senior class at high School A rested and filled 14 vans and 2 buses with 296 students.

What is the solution to the equation 7 (a - 10) = 13 - 2 (2a + 3) ? a = StartFraction 26 Over 11 EndFraction a = 7 a = StartFraction 89 Over 11 EndFraction a = 621

Craig randomly surveys 50 people to find their favorite store at the mall. He finds that 18 people say they like the clothing store the best.

Factor x 2 + xy - 2x - 2y. (x + 2) (x - y) (x + y) (x - 2) (x - y) (x + 2)

Estimate the product of 28.21 times 8.02

How many laps around the track equals a mile?