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

What are the side lengths of the rectangle area 40 perimeter 26

Solve for variable 2/3 + 4m/3 = 34/3

Justin Bieber buys a weight bench at his mansion for $500 and some weights for $24.99 each. The total cost of the purchase is $849.86. How many weights were purchased?

Ava is raising money for a school trip by selling bags of chips and candy bars. The price of each bag of chips is $ 1.75 and the price of each candy bar is $ 1. Yesterday Ava made $ 26 from selling a total of 17 bags of chips and candy bars.

Write a quadratic function in standard form whose graph passes through (-8, 0) ( - 2,0), and (-6, 4).

What is the range of the following numbers? 12, 20, 18, 25, 6

Explain how you would use mental math to express 16/25 as a percent?

Each side of a square is lengthened by 2 inches. the area of the new, larger square is 121 square inches. find the length of a side of the original square.

Decompose into partial fractions: 12/x^2-9

What is the answer to this problem? 88 divided by 11/8