A coin is tossed 20 times and lands on heads 6 times . Use two tailed test with a 5% significance level to determine whether there is sufficent evidence to conclude that the coin is biased.

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.

Solve -.016x= -16. need solving this