What is the vertex form of the equation y=x^2+12x-9

Jenna is looking at two different options for a new cell phone plan. Plan A has a fee of $50 plus an additional fee of $0.05 per minute. With this plan, the first 500 minutes are free. Plan B has a fee of $20 plus an additional fee of $0.

Line j: y = 2 3 x + 1 2 line k: y = 1 2 x + 2 3 line l: y = 2 3 x + 3 2 line m: y = 3 2 x + 1 2 These four lines have been graphed on the same coordinate grid.

A 50 milliliter solution contains 4 milliliters of salt. how many milliliters of salt will a 75 milliliter solution of the same strength contain

Rewrite the fractions 3/4 and 5/16 as fractions with a least common denominator.

In parallelogram ABCD, BC=3x-1, AB=x+11, and AD=2x+2. What is the value of x?

Write 3,308,000 in scientific notation

A ticket agency charges a 9.5% fee on all tickets sold. If a ticket costs $40, what is the fee?

Inventory for a company is taken hourly from 10 to 4:00. At the start of the day, the warehouse had 65 boxes. Between 10 and 11, 7 boxes were shipped. From 11 to noon, 5 were sent, and another 9 between noon and 1 p. m.

The area of a Square family room is 100 square meters how long is each side of the family room

The length of a rectangle field is 24 meters. This is 3 meters less than twice the width. Find the width.