The price of a shirt is RM35. while the cost of a pair of trousers is RM45. A discount of 15% is given on the price of a shirt, while a discount of 10% is given on the price of a pair of trousers. Write the formula for the total expenditure, z. if Syamsul wants to buy x shirts and y trousers.

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Is the power produced directly proportional to the wind speed, give reasons for your answer?