Alocal charity earns money to donate to flood victims. it receives $200 per day in cash donations and $150 in pledges but must spend $75 per day in operating costs. after how many days, d, will the charity have enough money to make at least a $1000 donation? a. 200+150-75> 1000 b. 200d+150-75d> 1000
c. 200d+(150-75)d> 1000
d. 200d+150-75d> 1000d

Which table represents a linear function? i'll give brainliest to first answer ^'^

What is x3+3x2−16x−48 divided by x−1?

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.