A fire sprinkler sprays water over the area of a circle with a diameter measuring 7 feet. About how many square feet does the fire sprinkler cover?

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.