Which quadratic function opens down and has a vertex with a negative y value?

A. f (x) = 5x^2-18

B. g (x) = - 4x^2+7x+20

C. h (x) = - 1/2 (x-9) ^2+1

D. j (x) = - 10 (x+6) ^2 - 3

In Charlie's family, two people have blue eyes, and three people have brown eyes. Write a fraction to represent the part of the family that has blue eyes.

Using wildcard metacharacters, how can one indicate a number is either 1, 2, 3, or 4?

A warehouse has shelves that can hold 8, 12, or 16 skateboards each shelf has sections holding the same number of skateboard what is the greatest number of skateboards that can be put in a section

Mary has a square garden in her backyard. Each side of her garden is 3 times the lenth of her old garden. Write an expression to represent the area of the garden. What is the area of Mary's garden if her old garden was 4.5 feet long?

Grandpa ernie is shrinking! Over the past 4 years, his hight decressed by a total of 2.4cm. It decresed by the same amount each year. What was the change in grandpa ernies hight eac year?

What is the GCF of the numbers 36 and 96

How do you use the vertical line test?

Tony's class needs more than $500 for the school dance. So far, they have raised $200. They plan to have a car wash, charging $8 a car, to raise more money.

Kurt is designing a table for a client. The table is a rectangular shape with a length 26 inches longer than its width. The perimeter of the table is 300 inches.

Which of the following is equivalent to (2x+3) (2x+3) ?