The height of a baseball that has just been hit can be calculated using the formula h=-16t^2+v0t+h0. If a baseball player hits the ball with a velocity of 81 feet per second and the bat impacts the ball at a height of 5 feet, when will the ball be 8 feet from the ground?

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250

The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight

If wxyz is a square, which statements must be true?