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

Before lunch time Abigail and Teresa each read some pages from different books. read 5 or one fifth of the pages in her book. Teresa read 6 pages or one sixth of pages in her book. whose book had more pages? how many more pages

Sandy grew 8 turnips joan grew 6 turnips how many turnips did they grow in all

For some number, t, the first 3 terms of an arithmetic sequence are t + 2, 3t, 4t + 1 Which of the following is the numerical value of the 4th term.

Which equation is equivalent to log4 + log (x + 2) = 1?

If Gilbert paid 28$for 7 golf balls how much did he pay for one golf ball

Stan owns 4/5 of an acre of land. of that, 2/3 of the land I'd fenced. how many acres of land is fenced?

Alexis invests $475 in a bank account that earns 1.25% interest compounded annually. Which function models the growth of her investment over x years?

How many 2/3 pound servings of dog food are in a 4 1/3 pound bag?

How do you find the bearing and speed of a ship?

Jack is now seven times old as James. In 5 years, Jack will be five times as old James. How old is James now?