a group of hummingbirds sip 4 ounces of nectar during a 2 day time period, over the next 8 days, julie added 1/2 ounce of nectar per day to the feeder. what was the overall change in the nectar level in the feeder?

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).