The quadratic function f (x) = - 16x^2+90 models the height of a baseball in feet after x seconds. How long is the baseball in the air?

A. 2.8125 s

B. 5.625 s

C. 11.25 s

D. 126.5625 s

0.1 (x+250) = 500? how do you this?

How do you evaluate 4^-3*2^-3

1. The county fair charges $1.50 per ticket for the rides. Jermaine bought 20 tickets for the rides and spent a total of $48.75 at the fair. Jermaine spent his money only on ride tickets and fair admission.

Question Type the correct answer in each box. Use the original expressions for the length and width, and substitute the are the length and width of the game board at the extreme location? The length is inches, and the width is inches.

What is the cube root of 216x18?

Write these decimals as words 25. 134 100.01 HALP

Four friends bought 10 lbs of nuts and shared them equally. How many pounds if nuts did each friend get

Ten friends went to a local restaurant and all had the buffet at $6.75 each. Seven friends added ice cream for dessert for $1.99 each. Since it is a large group, a tip of $15.00 for the waitress was added. The following is the restaurant bill.

Betsy wants to paint the walls of her bedroom. Her bedroom measures 8 ft. by 10 ft. and has 8 ft. ceilings. Not counting doors and windows, how many square feet of wall will Betsy need to paint? 288 80 128 160

One winter the cost of bananas cost $0.80 per lb. The next winter the cost was $1.05 per lb. What was the percentage increase?