A painter needs to paint a semicircle that has a diameter of 12 ft. How much area will need to be painted to the nearest hundredth?

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

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?