What is the vertex of f (x) = x^2 + 10x - 9?

A store sold 550 last year this year the stor sold 625 bicycles what is the percent increase in the number of bicycles sold from last year to this year

Roy is saving to buy a new bike, which costs $258. He has $16 towards this purchase. Express how much more Roy needs in the form of an equation?

Kevin gates flew at 18 miles per hour for 3 hours. Then at 15 miles per hour for 2 hours. How far did kevin gates fly in all? A. 69 miles B. 75 miles C. 81 miles D. 84 miles

What is 256 over 81 as a improper fraction

Amanda spent $73 on shirts. Tee Shirts cost $9 and long sleeve shirts cost $11. IN she bought a total of 7, then how many of each kind did she buy?

Which is more? 1g or 1 oz

How is 3/5 and 8/10 Are equivalent fractions?

Find the sum 3 3/5 and 2 1/2

Combine like terms to simplify 2xy-xy-y+7y-xy

Eric is twice as tall as his little brother Kevin. Kevin is also three feet shorter than Eric. If we let E=Eric's height and let K = Kevin's height, translate these two sentences into 2 equations.