X^2-8x-9=0 solve by completing the square

What are two perfect square is between 39 ?

A scientist wants to measure out 0.31 liters of a liquid, but she can only find a beaker that measures volume in centiliters. How many centiliters should she measure to equal 0.31 liters?

The Valley High School Auditorium is able to seat 8 elementary school groups of 65 students each. Use the distributive property to determine how many students they can seat.

Examine this right triangle, Which equation can be used to find the missing leg in the triangle? a² + 20² = 16² 020²+16² = a² a² + 16² = 20² 16 + a² = 20 20m 16 m

What is the side length of a square with area 16 cm

The low temperature for a January day in Atlanta, GA was 8°C. On the same day, the low temperature in Chicago was - 4°C and in Philadelphia was - 2°C.

Fold a piece of paper into two equal parts open the paper count the parts. There are ___ equal parts. Each part is ___ of the paper

A local radio station has 30 concert tickets. They give away 2 tickets each hour until the tickets are gone. Which equation represents the number of concert tickets, y, left after x hours? A. y = - 30x + 2 B. y = - 2x - 30 C. y = - 2x + 30 D.

How to write 16.897 in word form

A grain of sand has a diameter of 0.049 milimeter. Write 0.049 in words,