The monthly cost of a certain long distance service is given by the linear function c(t) = 0.06 + 3.95 where c(t) is in dollars and t is the amount of time in minutes called in a month. find the cost of calling long distance for 140 minutes in a month

a. $17.95
b. $11.35
c. $8.40
d. $12.35

In a sample of 200 residents of georgetown county, 120 reported they believed the county real estate taxes were too high. develop a 95 percent confidence interval for the proportion of residents who believe the tax rate is too high. (round your answers to 3 decimal places.) confidence interval for the proportion of residents is up to . would it be reasonable to conclude that the majority of the taxpayers feel that the taxes are too high?

What is x3+3x2−16x−48 divided by x−1?

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in